(R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester

Base Information

Chemical Name:(R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester
CAS No.:190326-40-0
Molecular Formula:C₃₇H₆₀O₃Si
Molecular Weight:580.967
Hs Code.:

(R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester

Synonyms:(R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester

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Chemical Property of (R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester

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Technology Process of (R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester

There total 3 articles about (R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester 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: 92.0%

: 6112-83-0
benzyl (R)-4-((3R,5R,8R,9S,10S,13R,14S,17R)-3-hydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate

: 18162-48-6
tert-butyldimethylsilyl chloride

: 190326-40-0
(R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester

Guidance literature:: With 1H-imidazole; In tetrahydrofuran; for 1h; Ambient temperature;
DOI:10.1055/s-1997-1215

Reference yield:

: 434-13-9
Lithocholic acid

: 190326-40-0
(R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 84 percent / DCC, 4-dimethylaminopyridine / CH₂Cl₂ / 24 h / Ambient temperature

2: 92 percent / imidazole / tetrahydrofuran / 1 h / Ambient temperature

With 1H-imidazole; dmap; dicyclohexyl-carbodiimide; In tetrahydrofuran; dichloromethane;
DOI:10.1055/s-1997-1215

Reference yield:

: 100-51-6,185532-71-2
benzyl alcohol

: 190326-40-0
(R)-4-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid benzyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 84 percent / DCC, 4-dimethylaminopyridine / CH₂Cl₂ / 24 h / Ambient temperature

2: 92 percent / imidazole / tetrahydrofuran / 1 h / Ambient temperature

With 1H-imidazole; dmap; dicyclohexyl-carbodiimide; In tetrahydrofuran; dichloromethane;
DOI:10.1055/s-1997-1215