(3R,5R)-5-(1-(tert-butyldiphenylsilyloxy)-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-one

Base Information

• Chemical Name: (3R,5R)-5-(1-(tert-butyldiphenylsilyloxy)-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-one
• CAS No.: 215317-64-9
• Molecular Formula: C₂₅H₃₄O₃Si
• Molecular Weight: 410.629
• Mol file: 215317-64-9.mol

Synonyms:(3R,5R)-5-(1-(tert-butyldiphenylsilyloxy)-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-one

Chemical Property of (3R,5R)-5-(1-(tert-butyldiphenylsilyloxy)-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3R,5R)-5-(1-(tert-butyldiphenylsilyloxy)-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-one

There total 15 articles about (3R,5R)-5-(1-(tert-butyldiphenylsilyloxy)-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-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: 96.0%

(3S,5R)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-1,1-dimethyl-ethyl]-3-methyl-dihydro-furan-2-one (215317-62-7) → (3R,5R)-5-(1-(tert-butyldiphenylsilyloxy)-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-one (215317-64-9)

Guidance literature:

With lithium diisopropyl amide; In tetrahydrofuran; at -78 ℃; for 2h;

DOI:10.1021/jo981083t

Reference yield: 86.0%

tert-butylchlorodiphenylsilane (58479-61-1) + (3R,5R)-5-(1-hydroxy-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-one → (3R,5R)-5-(1-(tert-butyldiphenylsilyloxy)-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-one (215317-64-9)

Guidance literature:

With 1H-imidazole; In dichloromethane; at 0 - 20 ℃; for 5h;

DOI:10.1002/jhet.3240

Reference yield:

2-Methyl-2-(S)-oxiranyl-propan-1-ol (104708-02-3) → (3R,5R)-5-(1-(tert-butyldiphenylsilyloxy)-2-methylpropan-2-yl)-3-methyldihydrofuran-2(3H)-one (215317-64-9)

Guidance literature:

Multi-step reaction with 4 steps

1: 95 percent / imidazole / CH₂Cl₂ / 2.5 h

2: 72 percent / 1,2-dimethoxy-ethane; hexane / Heating

3: 81 percent / LiHMDS / tetrahydrofuran / -78 °C

4: 96 percent / LDA / tetrahydrofuran / 2 h / -78 °C

With 1H-imidazole; lithium hexamethyldisilazane; lithium diisopropyl amide; In tetrahydrofuran; 1,2-dimethoxyethane; hexane; dichloromethane;

DOI:10.1021/jo981083t

upstream raw materials:

(3S,5R)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-1,1-dimethyl-ethyl]-3-methyl-dihydro-furan-2-one

2-Methyl-2-(S)-oxiranyl-propan-1-ol

tert-butylchlorodiphenylsilane

tert-Butyl-((S)-2-methyl-2-oxiranyl-propoxy)-diphenyl-silane

Downstream raw materials:

(3R,5R)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-1,1-dimethyl-ethyl]-3-methyl-tetrahydro-furan-2-ol

(2R,4R)-6-(tert-Butyl-diphenyl-silanyloxy)-2,5,5-trimethyl-hexane-1,4-diol

(2R,4R)-5-formyl-4-[(p-methoxybenzyl)oxy]-2,5-dimethylhexyl pivalate

(2R,4R)-[(p-methoxybenzyl)oxy]-2,5,5-trimethyl-6-heptenyl pivalate