tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane

Base Information

Chemical Name:tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane
CAS No.:714264-86-5
Molecular Formula:C₄₁H₅₆O₃Si
Molecular Weight:624.979
Hs Code.:

tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane

Synonyms:tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane

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Chemical Property of tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane

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Technology Process of tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane

There total 3 articles about tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane 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%

: 107-21-1
ethylene glycol

: 714264-98-9
(S)-3-[(3S,8R,9S,10R,13S,14S)-3-(tert-Butyl-diphenyl-silanyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-butan-2-one

: 714264-86-5
tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane

Guidance literature:: With toluene-4-sulfonic acid; orthoformic acid triethyl ester; at 20 ℃;
DOI:10.1016/j.bmcl.2004.03.081

Reference yield:

: 219906-42-0
(S)-2-[(3S,8R,9S,10R,13S,14S)-3-(tert-Butyl-diphenyl-silanyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-propionaldehyde

: 714264-86-5
tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane

Guidance literature:: Multi-step reaction with 3 steps

1: 83 percent / diethyl ether / 0 °C

2: 75 percent / PDC / dimethylformamide; CH₂Cl₂ / 20 °C

3: 98 percent / CH(OEt)3; p-TsOH*H₂O / 20 °C

With dipyridinium dichromate; toluene-4-sulfonic acid; orthoformic acid triethyl ester; In diethyl ether; dichloromethane; N,N-dimethyl-formamide; 1: Grignard addition;
DOI:10.1016/j.bmcl.2004.03.081

Reference yield:

: 714264-84-3
(2S,3S)-3-[(3S,8R,9S,10R,13S,14S)-3-(tert-Butyl-diphenyl-silanyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-butan-2-ol

: 714264-86-5
tert-Butyl-{(3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-[(S)-1-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-yloxy}-diphenyl-silane

Guidance literature:: Multi-step reaction with 2 steps

1: 75 percent / PDC / dimethylformamide; CH₂Cl₂ / 20 °C

2: 98 percent / CH(OEt)3; p-TsOH*H₂O / 20 °C

With dipyridinium dichromate; toluene-4-sulfonic acid; orthoformic acid triethyl ester; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.bmcl.2004.03.081