Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-11-hydroxy-1,3-dimethoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl ester

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Chemical Name:Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-11-hydroxy-1,3-dimethoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl ester
CAS No.:69283-62-1
Molecular Formula:C₂₅H₃₃FO₈
Molecular Weight:480.531
Hs Code.:

Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-11-hydroxy-1,3-dimethoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl ester

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Suppliers and Price of Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-11-hydroxy-1,3-dimethoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl ester

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Chemical Property of Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-11-hydroxy-1,3-dimethoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl ester

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Technology Process of Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-11-hydroxy-1,3-dimethoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl ester

There total 2 articles about Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-11-hydroxy-1,3-dimethoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl 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: 50.0%

: 67-56-1
methanol

: 69291-31-2
Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-1,11-dihydroxy-3-methoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl ester

: 69283-62-1
Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-11-hydroxy-1,3-dimethoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl ester

Guidance literature:: toluene-4-sulfonic acid; for 1.5h; reflux;
DOI:10.1021/jo00317a031

Reference yield:

: 1250-85-7
9α-Fluoro-11β,21-dihydroxypregna-1,4,16-triene-3,20-dione 21-acetate

: 69283-62-1
Acetic acid 2-((1S,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-11-hydroxy-1,3-dimethoxy-10a,12a-dimethyl-8-oxo-3,4,4a,4b,5,6,8,10a,10b,11,12,12a-dodecahydro-1H-2-oxa-chrysen-1-yl)-2-oxo-ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) O₃; 2.) (CH₃)2S / 1.) dichloromethane-methanol (2:1), -78 deg C; 2.) ambient temp.

2: 50 percent / p-toluenesulfonic acid / 1.5 h / reflux

With dimethylsulfide; ozone; toluene-4-sulfonic acid;
DOI:10.1021/jo00317a031