tert-Butyl-((3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-{(S)-1-[2-(3-methyl-butyl)-[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-(3-methyl-butyl)-[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.:219906-45-3
Molecular Formula:C₄₅H₆₄O₃Si
Molecular Weight:681.087
Hs Code.:

tert-Butyl-((3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-{(S)-1-[2-(3-methyl-butyl)-[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-(3-methyl-butyl)-[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-(3-methyl-butyl)-[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-(3-methyl-butyl)-[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 6 articles about tert-Butyl-((3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-{(S)-1-[2-(3-methyl-butyl)-[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: 96.0%

: 107-21-1
ethylene glycol

: 219906-44-2
3β-(tert-butyldiphenylsiloxy)cholesta-5,16-dien-22-one

: 219906-45-3
tert-Butyl-((3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-{(S)-1-[2-(3-methyl-butyl)-[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; In dichloromethane; for 96h; Ambient temperature;
DOI:10.1021/jo981685c

Reference yield:

: 53-43-0
dehydroepiandrosterone

: 219906-45-3
tert-Butyl-((3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-{(S)-1-[2-(3-methyl-butyl)-[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 7 steps

1: 1.) t-BuOK / 1.) THF, room temperature, 1 h, 2.) reflux, 4 h

2: 100 percent / imidazole / dimethylformamide / Ambient temperature

3: 75 percent / BF₃*OEt₂ / CH₂Cl₂ / 0.17 h / Ambient temperature

4: 86 percent / Dess-Martin periodinane / CH₂Cl₂ / 3 h / Ambient temperature

5: 96 percent / diethyl ether / 1 h / Ambient temperature

6: 83 percent / pyridinium dichromate, 4A MS / CH₂Cl₂; dimethylformamide / 2 h / Ambient temperature

7: 96 percent / CH(OEt)3, TsOH*H₂O / CH₂Cl₂ / 96 h / Ambient temperature

With 1H-imidazole; dipyridinium dichromate; boron trifluoride diethyl etherate; potassium tert-butylate; Dess-Martin periodane; toluene-4-sulfonic acid; orthoformic acid triethyl ester; In diethyl ether; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jo981685c

Reference yield:

: 219906-40-8
(Z)-3β-(tert-butyldiphenylsiloxy)pregna-5,17-diene

: 219906-45-3
tert-Butyl-((3S,8R,9S,10R,13S,14S)-10,13-dimethyl-17-{(S)-1-[2-(3-methyl-butyl)-[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 5 steps

1: 75 percent / BF₃*OEt₂ / CH₂Cl₂ / 0.17 h / Ambient temperature

2: 86 percent / Dess-Martin periodinane / CH₂Cl₂ / 3 h / Ambient temperature

3: 96 percent / diethyl ether / 1 h / Ambient temperature

4: 83 percent / pyridinium dichromate, 4A MS / CH₂Cl₂; dimethylformamide / 2 h / Ambient temperature

5: 96 percent / CH(OEt)3, TsOH*H₂O / CH₂Cl₂ / 96 h / Ambient temperature

With dipyridinium dichromate; boron trifluoride diethyl etherate; Dess-Martin periodane; toluene-4-sulfonic acid; orthoformic acid triethyl ester; In diethyl ether; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jo981685c