(4R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one

Base Information

• Chemical Name: (4R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one
• CAS No.: 132895-31-9
• Molecular Formula: C₂₂H₂₈O₄Si
• Molecular Weight: 384.547
• Mol file: 132895-31-9.mol

Synonyms:(4R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one

Chemical Property of (4R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (4R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one

There total 10 articles about (4R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one 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: 60.0%

(4R,6S)-4-Hydroxy-6-hydroxymethyl-3,4,5,6-tetrahydro-2H-pyran-2-one (124662-60-8) + tert-butylchlorodiphenylsilane (58479-61-1) → (4R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one (132895-31-9)

Guidance literature:

With 1H-imidazole; In dichloromethane; at 0 ℃; for 0.5h; Inert atmosphere;

DOI:10.1002/anie.202110658

Reference yield: 60.0%

C22H26O4Si → (4S,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one (132895-33-1) + (4R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one (132895-31-9)

Guidance literature:

With N-tert-butylaminoborane; citric acid; In methanol; water; at -10 ℃; for 2.5h; Inert atmosphere;

DOI:10.1002/anie.202110658

Reference yield:

1,1-dimethylethyl (4R-cis)-6-hydroxymethyl-2,2-dimethyl-1,3-dioxane-4-acetate (124655-09-0,407577-54-2) → (4R,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one (132895-31-9)

Guidance literature:

Multi-step reaction with 2 steps

1: pyridinium p-toluenesulfonate / 1,2-dichloro-ethane / 12 h / Reflux; Inert atmosphere

2: 1H-imidazole / dichloromethane / 0.5 h / 0 °C / Inert atmosphere

With 1H-imidazole; pyridinium p-toluenesulfonate; In dichloromethane; 1,2-dichloro-ethane;

DOI:10.1002/anie.202110658

upstream raw materials:

(S)-6-(tert-Butyl-diphenyl-silanyloxy)-5-hydroxy-3-oxo-hexanoic acid ethyl ester

(S)-methyl 4-(tert-butyldiphenylsilyloxy)-3-hydroxybutanoate

(3S)-4-(tert-butyldiphenylsilyl)oxy-3-(triethylsilyl)oxy-butyraldehyde

methyl (3S)-4-tert-butyldiphenylsiloxy-3-triethylsiloxybutanoate

Downstream raw materials:

(4S,6S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-one

(S)-2-[(4R,6R)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-propionic acid methyl ester