(2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene

Base Information

Chemical Name:(2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene
CAS No.:303998-23-4
Molecular Formula:C₄₄H₆₀O₄Si₂
Molecular Weight:709.129
Hs Code.:

(2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene

Synonyms:(2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene

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Chemical Property of (2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene

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Technology Process of (2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene

There total 2 articles about (2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene 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: 92.0%

: 3587-60-8
Benzyloxymethyl chloride

: 303998-60-9
(2R,4S,4aS,4bR,12aR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysen-4-ol

: 303998-23-4
(2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene

Guidance literature:: With N-ethyl-N,N-diisopropylamine; In dichloromethane; at 23 ℃; for 46h;
DOI:10.1021/ja0024892

Reference yield:

: (2R,4bR)-8-Allyloxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-2,3,4a,4b,5,6,12,12a-octahydro-1H-chrysen-4-one

: 303998-23-4
(2R,4S,4aS,4bR,12aR)-8-Allyloxy-4-benzyloxymethoxy-2-(dimethyl-phenyl-silanyl)-4a-methyl-11-triethylsilanyloxy-1,2,3,4,4a,4b,5,6,12,12a-decahydro-chrysene

Guidance literature:: Multi-step reaction with 2 steps

1: 90 percent / LiAlH₄ / diethyl ether / 0.5 h / -78 °C

2: 92 percent / i-Pr₂NEt / CH₂Cl₂ / 46 h / 23 °C

With lithium aluminium tetrahydride; N-ethyl-N,N-diisopropylamine; In diethyl ether; dichloromethane;
DOI:10.1021/ja0024892