(3S,8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

Base Information

• Chemical Name: (3S,8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol
• CAS No.: 174815-67-9
• Molecular Formula: C₃₂H₅₀O₄Si
• Molecular Weight: 526.832

Synonyms:(3S,8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

Chemical Property of (3S,8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

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Technology Process of (3S,8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

There total 4 articles about (3S,8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol 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:

Acetic acid (3S,8R,9S,10R,13S,14S,15R,17S)-17-(isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester → (3S,8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol (174815-67-9)

Guidance literature:

With potassium hydroxide; In methanol; benzene; for 0.166667h; Yield given; Heating;

DOI:10.1016/0039-128X(95)00196-W

Reference yield:

isopropyldimethylsilyl chloride (3634-56-8) → (3S,8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol (174815-67-9)

Guidance literature:

Multi-step reaction with 2 steps

1: Et₃N / CH₂Cl₂ / 1 h

2: 2 M aq. KOH / benzene; methanol / 0.17 h / Heating

With potassium hydroxide; triethylamine; In methanol; dichloromethane; benzene;

DOI:10.1016/0039-128X(95)00196-W

Reference yield:

Acetic acid (3S,8R,9S,10R,13S,14S,15R,17S)-17-hydroxy-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester (174815-57-7) → (3S,8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol (174815-67-9)

Guidance literature:

Multi-step reaction with 2 steps

1: Et₃N / CH₂Cl₂ / 1 h

2: 2 M aq. KOH / benzene; methanol / 0.17 h / Heating

With potassium hydroxide; triethylamine; In methanol; dichloromethane; benzene;

DOI:10.1016/0039-128X(95)00196-W

upstream raw materials:

isopropyldimethylsilyl chloride

Acetic acid (3S,8R,9S,10R,13S,14S,15R,17S)-17-hydroxy-15-(4-methoxy-benzyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Acetic acid (3S,8R,9S,10R,13S,14S,15R)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-17-oxo-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester

Downstream raw materials:

(8R,9S,10R,13S,14S,15R,17S)-17-(Isopropyl-dimethyl-silanyloxy)-15-(4-methoxy-benzyloxy)-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-3-one

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