tert-Butyl (4R-cis)-6-formaldehydel-2,2-dimethyl-1,3-dioxane-4-acetate
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Product Name :
tert-Butyl (4R-cis)-6-formaldehydel-2,2-dimethyl-1,3-dioxane-4-acetate
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CAS No :
124752-23-4
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Project State :
Commercial
 
            Application
General Description
Cost-effective customized wholesale tert-Butyl (4R-cis)-6-formaldehydel-2,2-dimethyl-1,3-dioxane-4-acetate 124752-23-4
- Molecular Formula:C13H22O5
 - Molecular Weight:258.315
 - Vapor Pressure:0mmHg at 25°C
 - Refractive Index:1.47
 - Boiling Point:320.344 °C at 760 mmHg
 - Flash Point:140.583 °C
 - PSA:61.83000
 - Density:1.073 g/cm3
 - LogP:1.82730
 
tert-Butyl (4R-cis)-6-formaldehydel-2,2-dimethyl-1,3-dioxane-4-acetate(Cas 124752-23-4) Usage
InChI:InChI=1/C13H22O5/c1-12(2,3)18-11(15)7-9-6-10(8-14)17-13(4,5)16-9/h8-10H,6-7H2,1-5H3/t9-,10+/m1/s1
124752-23-4 Relevant articles
A new way to tert-Butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate, a key intermediate of atorvastatin synthesis
Radl, Stanislav
, p. 2275 - 2283 (2003)
A new synthesis of tert-butyl [(4R,6R)-6...
Preparation method of rosuvastatin calcium intermediate
-
Paragraph 0033-0049, (2021/07/08)
The invention belongs to the technical f...
Method for preparing rosuvastatin side chain through oxidation in continuous flow micro-channel reactor
-
Paragraph 0042-0089, (2020/08/12)
The invention relates to a method for pr...
Preparation method of rosuvastatin side chain intermediate
-
Paragraph 0047-0063; 0079-0082; 0086-0087, (2020/08/30)
The invention belongs to the technical f...
Rosuvastatin calcium intermediate, preparation method thereof and application of intermediate
-
Paragraph 0083-0085, (2019/04/17)
The invention discloses a rosuvastatin c...
124752-23-4 Process route
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                                         - 
                                        124655-09-0,407577-54-2
                                        
1,1-dimethylethyl (4R-cis)-6-hydroxymethyl-2,2-dimethyl-1,3-dioxane-4-acetate
 
                                - 
                                        
                                            
                                         - 
                                        124752-23-4
                                        
tert-butyl 2-[(4R,6S)-6-formyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate
 
| Conditions | Yield | 
|---|---|
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    hydrogenchloride; sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; water; 
                                            
                                            
                                            
                                                
                                                            at 0 - 5 ℃;
                                                            
                                                            pH=8 - 10;
                                                            
                                                Temperature;
                                                            
                                                Solvent;
                                                            
                                                Inert atmosphere;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        98% | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            
                                                
                                                    
                                            
                                            
                                                
                                            
                                            
                                                
                                                Swern oxidation; (further oxidizing agents);
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        97% | 
                                
| 
                                        
                                         
                                            
                                                1,1-dimethylethyl (4R-cis)-6-hydroxymethyl-2,2-dimethyl-1,3-dioxane-4-acetate; 
                                            
                                            With 
                                            
                                            
                                                
                                                    dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -5 - 0 ℃;
                                                            
                                                            for 0.5h;
                                                            
                                            
                                         
                                        
                                        
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    pyridine; sulfur trioxide pyridine complex; dimethyl sulfoxide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -5 - 20 ℃;
                                                            
                                                            for 1.16667h;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        93% | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium bromide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; water; 
                                            
                                            
                                            
                                                
                                                            at 5 - 10 ℃;
                                                            
                                                            for 0.166667h;
                                                            
                                                Temperature;
                                                            
                                                Flow reactor;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        93.5% | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen; copper(l) chloride; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; acetonitrile; 
                                            
                                            
                                            
                                                
                                                            at 40 ℃;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        90% | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    tetrapropylammonium perruthennate; 4-methylmorpholine N-oxide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; acetonitrile; 
                                            
                                            
                                            
                                                
                                                            at 0 - 25 ℃;
                                                            
                                                            for 5.5h;
                                                            
                                                Molecular sieve;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        86% | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    2,2,6,6-tetramethyl-piperidine-N-oxyl; sodium hypochlorite; sodium hydrogencarbonate; potassium bromide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -15 - 0 ℃;
                                                            
                                                            pH=10;
                                                            
                                                Solvent;
                                                            
                                                Temperature;
                                                            
                                                Concentration;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        85.9% | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; water; 
                                            
                                            
                                            
                                                
                                                            at -15 - 5 ℃;
                                                            
                                                            for 1h;
                                                            
                                                Large scale;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        83% | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    oxalyl dichloride; dimethyl sulfoxide; triethylamine; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -60 - 20 ℃;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        77% | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    sodium hydrogencarbonate; 
                                            
                                            
                                                
                                            
                                            
                                                
                                            
                                         
                                        
                                     | 
                                    
                                        65% | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    sodium hypochlorite; TEMPOL; sodium hydrogencarbonate; potassium bromide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                water; ethyl acetate; 
                                            
                                            
                                            
                                                
                                                            at -10 - 5 ℃;
                                                            
                                                            for 1h;
                                                            
                                                Inert atmosphere;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        54% | 
                                
| 
                                        
                                         | 
                                    |
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    sodium hypochlorite; sodium hydrogencarbonate; potassium bromide; 
                                            
                                            
                                                4-oxo-2,2,6,6-tetramethylpiperidin-oxyl; 
                                            
                                            In 
                                            
                                                dichloromethane; water; 
                                            
                                            
                                            
                                                
                                                            at 0 - 5 ℃;
                                                            
                                                            for 1 - 2h;
                                                            
                                            
                                         
                                        
                                     | 
                                    |
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    sodium hypochlorite; 
                                            
                                            
                                                2-azatricyclo[3.3.1.13,7]dec-2-yloxidanyl; potassium bromide; 
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -15 - -5 ℃;
                                                            
                                            
                                         
                                        
                                     | 
                                    |
| 
                                        
                                         
                                            
                                                1,1-dimethylethyl (4R-cis)-6-hydroxymethyl-2,2-dimethyl-1,3-dioxane-4-acetate; 
                                            
                                            With 
                                            
                                            
                                                
                                                    potassium bromide; 
                                            
                                            
                                                2-azatricyclo[3.3.1.13,7]dec-2-yloxidanyl; 
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -15 - -5 ℃;
                                                            
                                                            for 0.25h;
                                                            
                                            
                                         
                                        
                                        
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    sodium hypochlorite; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -15 - -5 ℃;
                                                            
                                                            for 0.25h;
                                                            
                                            
                                         
                                        
                                     | 
                                    |
| 
                                        
                                         
                                            
                                                1,1-dimethylethyl (4R-cis)-6-hydroxymethyl-2,2-dimethyl-1,3-dioxane-4-acetate; 
                                            
                                            With 
                                            
                                            
                                                
                                                    2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at 0 - 5 ℃;
                                                            
                                                            for 0.25h;
                                                            
                                            
                                         
                                        
                                        
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    sodium hypochlorite; sodium hydrogencarbonate; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; water; 
                                            
                                            
                                            
                                                
                                                            at 0 - 5 ℃;
                                                            
                                                            for 1.66667h;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        19.2 g | 
                                
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen; copper(l) chloride; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; acetonitrile; 
                                            
                                            
                                            
                                                
                                                            at 25 - 40 ℃;
                                                            
                                                Solvent;
                                                            
                                            
                                         
                                        
                                     | 
                                    |
| 
                                        
                                         
                                            
                                                1,1-dimethylethyl (4R-cis)-6-hydroxymethyl-2,2-dimethyl-1,3-dioxane-4-acetate; 
                                            
                                            With 
                                            
                                            
                                                
                                                    oxalyl dichloride; dimethyl sulfoxide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -78 - 20 ℃;
                                                            
                                                            for 0.25h;
                                                            
                                                Inert atmosphere;
                                                            
                                            
                                         
                                        
                                        
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    triethylamine; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -78 - 20 ℃;
                                                            
                                                            for 4h;
                                                            
                                                Inert atmosphere;
                                                            
                                            
                                         
                                        
                                     | 
                                    |
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    oxalyl dichloride; triethylamine; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; dimethyl sulfoxide; 
                                            
                                            
                                            
                                                
                                            
                                         
                                        
                                     | 
                                    |
| 
                                        
                                         
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    N-chloro-succinimide; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tetrabutylammomium bromide; sodium hydrogencarbonate; potassium carbonate; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at 10 ℃;
                                                            
                                                            for 5h;
                                                            
                                                            pH=7.5;
                                                            
                                                Reagent/catalyst;
                                                            
                                                Solvent;
                                                            
                                                Temperature;
                                                            
                                                pH-value;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        253.6 g | 
                                
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                                         - 
                                        154026-95-6
                                        
(4R-cis)-6-[(acetyloxy)methyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid tert-butyl ester
 
                                - 
                                        
                                            
                                         - 
                                        124752-23-4
                                        
tert-butyl 2-[(4R,6S)-6-formyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate
 
| Conditions | Yield | 
|---|---|
| 
                                        
                                         
                                            
                                                (4R-cis)-6-[(acetyloxy)methyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid tert-butyl ester; 
                                            
                                            With 
                                            
                                            
                                                
                                                    methanol; potassium carbonate; 
                                            
                                            
                                                
                                            
                                            
                                                
                                                            for 3h;
                                                            
                                            
                                         
                                        
                                        
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; 
                                            
                                            
                                            
                                                
                                                            at -5 - 5 ℃;
                                                            
                                                            for 1h;
                                                            
                                            
                                         
                                        
                                     | 
                                    
                                        96.1% | 
                                
| 
                                        
                                         Multi-step reaction with 2 steps  
                                        
                                        1: potassium carbonate; methanol / 0.5 h 
                                        
                                        2: copper(l) chloride; [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen / acetonitrile; dichloromethane / 25 - 40 °C 
                                        
                                        
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    methanol; [2,2]bipyridinyl; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; oxygen; potassium carbonate; copper(l) chloride; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                dichloromethane; acetonitrile; 
                                            
                                            
                                            
                                                
                                            
                                         
                                        
                                     | 
                                    |
| 
                                        
                                         Multi-step reaction with 2 steps  
                                        
                                        1: sodium hydroxide / dichloromethane; methanol 
                                        
                                        2: triethylamine; oxalyl dichloride / dichloromethane; dimethyl sulfoxide 
                                        
                                        
                                            
                                                
                                            
                                            With 
                                            
                                            
                                                
                                                    oxalyl dichloride; triethylamine; sodium hydroxide; 
                                            
                                            
                                                
                                            
                                            In 
                                            
                                                methanol; dichloromethane; dimethyl sulfoxide; 
                                            
                                            
                                            
                                                
                                            
                                         
                                        
                                     | 
                                    
124752-23-4 Upstream products
- 
                           
                                124655-09-0
                                1,1-dimethylethyl (4R-cis)-6-hydroxymethyl-2,2-dimethyl-1,3-dioxane-4-acetate
 - 
                           
                                147489-02-9
                                isopropyl (2S,3R,4S,6R)-7-t-butoxycarbonyl-2,3-dihydroxy-4,6-isopropylidenedioxyheptanoate
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                                147489-00-7
                                isopropyl (2S,3R,4S,6R)-7-t-butoxycarbonyl-2,3-bis(t-butyldimethylsilyloxy)-4,6-dihydroxyheptanoate
 - 
                           
                                147489-01-8
                                isopropyl (2S,3R,4S,6R)-7-t-butpxycarbonyl-2,3-bis(t-butyldimethylsilyloxy)-4,6-isopropylidenedioxyheptanoate
 
124752-23-4 Downstream products
- 
                            
                                129894-42-4
                                ((4R,6S)-6-{(Z)-2-[4-(4-Fluoro-phenyl)-2-isopropyl-6-phenyl-pyridin-3-yl]-vinyl}-2,2-dimethyl-[1,3]dioxan-4-yl)-acetic acid tert-butyl ester
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                                124655-11-4
                                ((4R,6S)-6-{(E)-2-[4-(4-Fluoro-phenyl)-2-isopropyl-6-phenyl-pyridin-3-yl]-vinyl}-2,2-dimethyl-[1,3]dioxan-4-yl)-acetic acid tert-butyl ester
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                                147489-06-3
                                (4R,6S)-(E)-{6-[2-(2-cyclopropyl-4-(4-fluorophenyl)quinolin-3-yl)-vinyl]-2,2-dimethyl-1,3-dioxan-4-yl}acetic acid tert-butyl ester
 - 
                            
                                916314-43-7
                                tert-butyl 2-((4R,6S)-6-((E)-2-(4-(4-fluorophenyl)-2,6-diisopropyl-5-[(d3-methoxy)methyl]pyridin-3-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate
 
 
 