Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester

Base Information

Chemical Name:Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester
CAS No.:109004-01-5
Molecular Formula:C₃₁H₄₂O₄
Molecular Weight:478.672
Hs Code.:

Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester

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Chemical Property of Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester

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Technology Process of Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester

There total 1 articles about Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester 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: 93.0%

: 19810-31-2
Benzyloxyacetyl chloride

: 73668-91-4
(17E)-6β-methoxy-3α,5-cyclo-5α-pregn-17(20)-en-16α-ol

: 109004-01-5
Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester

Guidance literature:: DOI:10.1016/S0040-4039(00)85092-3

Reference yield:

: 109004-01-5
Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester

: 114560-04-2
(2R,3S)-2-Benzyloxy-3-((1aR,3aR,3bS,5aS,8aS,8bR,10R,10aR)-10-methoxy-3a,5a-dimethyl-1,1a,2,3,3a,3b,4,5,5a,8,8a,8b,9,10-tetradecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-butyric acid

Guidance literature:: With chloro-trimethyl-silane; lithium diisopropyl amide; Multistep reaction; 1.) THF, -78 deg C; 2.) -78 deg C to 25 deg C;
DOI:10.1016/S0040-4039(00)85092-3

Reference yield:

: 109004-01-5
Benzyloxy-acetic acid (1aR,3aR,3bS,5aS,7R,8aS,8bR,10R,10aR)-6-eth-(E)-ylidene-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-7-yl ester

: 109004-03-7
(2R,3S)-2-Benzyloxy-3-((1aR,3aR,3bS,5aS,8aS,8bR,10R,10aR)-10-methoxy-3a,5a-dimethyl-1,1a,2,3,3a,3b,4,5,5a,8,8a,8b,9,10-tetradecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) LDA; 2.) trimethylsilyl chloride / 1.) THF, -78 deg C; 2.) -78 deg C to 25 deg C

With chloro-trimethyl-silane; lithium diisopropyl amide;
DOI:10.1016/S0040-4039(00)85092-3