(8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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

Base Information

Chemical Name:(8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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
CAS No.:174815-60-2
Molecular Formula:C₃₅H₅₄O₄Si
Molecular Weight:566.897
Hs Code.:

(8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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

Synonyms:(8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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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Chemical Property of (8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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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Technology Process of (8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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

There total 5 articles about (8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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 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%

: 174815-59-9
(3S,8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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

: 174815-60-2
(8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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

Guidance literature:: With 1-Methyl-4-piperidone; aluminum isopropoxide; In toluene; for 4h; Heating;
DOI:10.1016/0039-128X(95)00196-W

Reference yield:

: 67373-56-2
chlorodimethyl(1,1,2-trimethylpropyl)silane

: 174815-60-2
(8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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

Guidance literature:: Multi-step reaction with 3 steps

1: 80 percent / Et₃N, DMAP / CH₂Cl₂ / 120 h / 45 °C

2: 65 percent / 2 M aq. KOH / benzene; methanol / 0.17 h / Heating

3: 87 percent / 1-methyl-4-piperidone, (i-PrO)3Al / toluene / 4 h / Heating

With 1-Methyl-4-piperidone; dmap; potassium hydroxide; aluminum isopropoxide; triethylamine; In methanol; dichloromethane; toluene; benzene;
DOI:10.1016/0039-128X(95)00196-W

Reference yield:

: 174815-57-7
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

: 174815-60-2
(8R,9S,10R,13S,14S,15R,17S)-17-[Dimethyl-(1,1,2-trimethyl-propyl)-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

Guidance literature:: Multi-step reaction with 3 steps

1: 80 percent / Et₃N, DMAP / CH₂Cl₂ / 120 h / 45 °C

2: 65 percent / 2 M aq. KOH / benzene; methanol / 0.17 h / Heating

3: 87 percent / 1-methyl-4-piperidone, (i-PrO)3Al / toluene / 4 h / Heating

With 1-Methyl-4-piperidone; dmap; potassium hydroxide; aluminum isopropoxide; triethylamine; In methanol; dichloromethane; toluene; benzene;
DOI:10.1016/0039-128X(95)00196-W