(R)-4-[(3S,8S,9S,10R,13R,14S,17R)-3-(2-Methoxy-ethoxymethoxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-pentan-1-ol

Base Information

Chemical Name:(R)-4-[(3S,8S,9S,10R,13R,14S,17R)-3-(2-Methoxy-ethoxymethoxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-pentan-1-ol
CAS No.:73204-95-2
Molecular Formula:C₂₈H₄₈O₄
Molecular Weight:448.687
Hs Code.:

(R)-4-[(3S,8S,9S,10R,13R,14S,17R)-3-(2-Methoxy-ethoxymethoxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-pentan-1-ol

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

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

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

There total 1 articles about (R)-4-[(3S,8S,9S,10R,13R,14S,17R)-3-(2-Methoxy-ethoxymethoxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-pentan-1-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: 40.0%

: 88215-16-1
Methanesulfonic acid (2R,4S)-5-benzyloxy-4-methanesulfonyloxy-2-[(3S,8S,9S,10R,13S,14S,17R)-3-(2-methoxy-ethoxymethoxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-pentyl ester

: 73204-95-2
(R)-4-[(3S,8S,9S,10R,13R,14S,17R)-3-(2-Methoxy-ethoxymethoxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-pentan-1-ol

: 88204-44-8
(3S,8S,9S,10R,13R,14S,17R)-17-((R)-4-Benzyloxy-1-methyl-butyl)-3-(2-methoxy-ethoxymethoxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene

Guidance literature:: With lithium triethylborohydride; In tetrahydrofuran; 1) r.t., 2) reflux, 4 h;
DOI:10.1039/c39830000760

Reference yield:

: 73204-95-2
(R)-4-[(3S,8S,9S,10R,13R,14S,17R)-3-(2-Methoxy-ethoxymethoxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-pentan-1-ol

: 313-04-2
demosterol

Guidance literature:: Multi-step reaction with 3 steps

1: oxalyl chloride, Et₃N / dimethylsulfoxide / -78 °C

3: ZnBr₂ / CH₂Cl₂

With oxalyl dichloride; triethylamine; zinc dibromide; In dichloromethane; dimethyl sulfoxide;
DOI:10.1039/c39830000760