Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl ester

Base Information

Chemical Name:Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl ester
CAS No.:324740-33-2
Molecular Formula:C₄₅H₆₂O₅Si
Molecular Weight:711.07
Hs Code.:

Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl ester

Synonyms:Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl ester

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Chemical Property of Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl ester

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Technology Process of Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl ester

There total 7 articles about Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl 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:

: 108-24-7
acetic anhydride

: 934535-36-1
(25R)-3β-tert-butyldiphenylsilyloxy-5,6-epoxy-spirostan-16α-ol

: 324740-33-2
Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl ester

Guidance literature:: With potassium iodide; zinc; In acetic acid; at 20 ℃; for 24h;
DOI:10.1246/cl.2007.214

Reference yield:

: 58479-61-1
tert-butylchlorodiphenylsilane

: 324740-33-2
Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 93 percent / imidazole / CH₂Cl₂ / 12 h / 20 °C

2: oxone; NaHCO₃ / H₂O; CH₂Cl₂; acetone / 24 h / 20 °C

3: Zn; KI / acetic acid / 24 h / 20 °C

With 1H-imidazole; Oxone; sodium hydrogencarbonate; potassium iodide; zinc; In dichloromethane; water; acetic acid; acetone;
DOI:10.1246/cl.2007.214

Reference yield:

: 324740-29-6
3-O-(tert-butyldiphenylsilyl)diosgenin

: 324740-33-2
Acetic acid (2R,6S)-6-[(3S,8S,9S,10R,13S,14S,17R)-3-(tert-butyl-diphenyl-silanyloxy)-10,13-dimethyl-16-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxo-heptyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: oxone; NaHCO₃ / H₂O; CH₂Cl₂; acetone / 24 h / 20 °C

2: Zn; KI / acetic acid / 24 h / 20 °C

With Oxone; sodium hydrogencarbonate; potassium iodide; zinc; In dichloromethane; water; acetic acid; acetone;
DOI:10.1246/cl.2007.214