(R)-1-((4R,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)-2-O-tert-butyldimethylsilyl-1-O-p-toluenesulphonyl-ethane-1,2-diol

Base Information

• Chemical Name: (R)-1-((4R,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)-2-O-tert-butyldimethylsilyl-1-O-p-toluenesulphonyl-ethane-1,2-diol
• CAS No.: 948850-75-7
• Molecular Formula: C₃₄H₆₂O₆SSi
• Molecular Weight: 627.014
• Mol file: 948850-75-7.mol

Synonyms:(R)-1-((4R,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)-2-O-tert-butyldimethylsilyl-1-O-p-toluenesulphonyl-ethane-1,2-diol

Chemical Property of (R)-1-((4R,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)-2-O-tert-butyldimethylsilyl-1-O-p-toluenesulphonyl-ethane-1,2-diol

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (R)-1-((4R,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)-2-O-tert-butyldimethylsilyl-1-O-p-toluenesulphonyl-ethane-1,2-diol

There total 3 articles about (R)-1-((4R,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)-2-O-tert-butyldimethylsilyl-1-O-p-toluenesulphonyl-ethane-1,2-diol which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 98.0%

C21H42O4SiC4H8(CH3)2 (948850-78-0) + p-toluenesulfonyl chloride (98-59-9) → (R)-1-((4R,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)-2-O-tert-butyldimethylsilyl-1-O-p-toluenesulphonyl-ethane-1,2-diol (948850-75-7)

Guidance literature:

With dmap; In dichloromethane; at 20 ℃; for 4h;

DOI:10.1021/jo0707838

Reference yield:

(S)-methyl 2-hydroxy-2((4S,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)acetate (948850-74-6) → (R)-1-((4R,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)-2-O-tert-butyldimethylsilyl-1-O-p-toluenesulphonyl-ethane-1,2-diol (948850-75-7)

Guidance literature:

Multi-step reaction with 3 steps

1: 94 percent / NaBH₄ / methanol / 3 h / 20 °C

2: imidazole / dimethylformamide / 12 h / 20 °C

3: 98 percent / DMAP / CH₂Cl₂ / 4 h / 20 °C

With 1H-imidazole; dmap; sodium tetrahydroborate; In methanol; dichloromethane; N,N-dimethyl-formamide;

DOI:10.1021/jo0707838

Reference yield:

(R)-1-((4S,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)ethane-1,2-diol (325829-98-9) → (R)-1-((4R,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)-2-O-tert-butyldimethylsilyl-1-O-p-toluenesulphonyl-ethane-1,2-diol (948850-75-7)

Guidance literature:

Multi-step reaction with 2 steps

1: imidazole / dimethylformamide / 12 h / 20 °C

2: 98 percent / DMAP / CH₂Cl₂ / 4 h / 20 °C

With 1H-imidazole; dmap; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1021/jo0707838

upstream raw materials:

C₂₁H₄₂O₄SiC₄H₈(CH₃)2

p-toluenesulfonyl chloride

(S)-methyl 2-hydroxy-2((4S,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)acetate

(R)-1-((4S,5S)-2,2-dimethyl-5-tetradecyl-1,3-dioxolan-4-yl)ethane-1,2-diol

Downstream raw materials:

(2S,3S,4S)-2-azido-3,4-dihydroxy-octadecyl 4-methylbenzenesulfonate