1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone

Base Information

Chemical Name:1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone
CAS No.:241816-39-7
Molecular Formula:C₄₀H₅₈O₂Si
Molecular Weight:598.985
Hs Code.:

1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone

Synonyms:1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone

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Chemical Property of 1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone

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Technology Process of 1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone

There total 4 articles about 1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone 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: 87.0%

: 3819-21-4
3β-hydroxy-22,23,24,25,26,27-hexanordammaran-20-one

: 58479-61-1
tert-butylchlorodiphenylsilane

: 241816-39-7
1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone

Guidance literature:: With 1H-imidazole; In acetonitrile; at 60 ℃; for 12h;
DOI:10.1016/S0960-894X(99)00220-6

Reference yield:

: 19222-66-3
20-ξ(2)-Hydroxy-3-oxo-dammaren-(24); Dipterocarpol

: 241816-39-7
1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone

Guidance literature:: Multi-step reaction with 4 steps

1: 24 percent / NaBH₄ / propan-2-ol / 3.5 h / Ambient temperature

2: 95 percent / H₂ / Pd/C / ethanol / 3 h

3: 2.) O₃, Ph₃P / 1.) DMSO, 190 deg C, 3 h, 2.) CH₂Cl₂, MeOH

4: 87 percent / imidazole / acetonitrile / 12 h / 60 °C

With 1H-imidazole; sodium tetrahydroborate; hydrogen; ozone; triphenylphosphine; palladium on activated charcoal; In ethanol; isopropyl alcohol; acetonitrile;
DOI:10.1016/S0960-894X(99)00220-6

Reference yield:

: 19132-83-3
'Dammarendiol'

: 241816-39-7
1-[(3S,5R,8R,9R,10R,13R,14R,17S)-3-(tert-Butyl-diphenyl-silanyloxy)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethanone

Guidance literature:: Multi-step reaction with 3 steps

1: 95 percent / H₂ / Pd/C / ethanol / 3 h

2: 2.) O₃, Ph₃P / 1.) DMSO, 190 deg C, 3 h, 2.) CH₂Cl₂, MeOH

3: 87 percent / imidazole / acetonitrile / 12 h / 60 °C

With 1H-imidazole; hydrogen; ozone; triphenylphosphine; palladium on activated charcoal; In ethanol; acetonitrile;
DOI:10.1016/S0960-894X(99)00220-6