(4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-one

Base Information

Chemical Name:(4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-one
CAS No.:1400572-48-6
Molecular Formula:C₂₈H₃₀F₃NO₄
Molecular Weight:501.546
Hs Code.:

(4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-one

Synonyms:(4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-one

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Chemical Property of (4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-one

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Technology Process of (4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-one

There total 5 articles about (4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-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: 62.0%

: 50-00-0,30525-89-4,61233-19-0
formaldehyd

: 1270041-07-0
(6S,8S,9R,10S,11S,13S,14S)-6,9-difluoro-17-(2-fluoroacetyl)-11-hydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one

: 100-65-2
N-Phenylhydroxylamine

: 1400572-48-6
(4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-one

Guidance literature:: In ethanol; at 100 ℃; for 23h;

Reference yield:

: difluprednate

: 1400572-48-6
(4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-one

Guidance literature:: Multi-step reaction with 5 steps

1: potassium acetate / N,N-dimethyl-formamide / 1.5 h / 100 °C / Inert atmosphere

2: Candida antarctica lipase / ethanol / 37 °C

3: N-ethyl-N,N-diisopropylamine / acetonitrile / 1 h / 20 °C / Inert atmosphere

4: tetrabutyl ammonium fluoride; potassium fluoride / acetonitrile; tetrahydrofuran / Inert atmosphere; Reflux

5: ethanol / 23 h / 100 °C

With Candida antarctica lipase; potassium fluoride; tetrabutyl ammonium fluoride; potassium acetate; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; ethanol; N,N-dimethyl-formamide; acetonitrile;

Reference yield:

: 2326-26-3
acetic acid 2-((6S,8S,9R,10S,11S,13S,14S)-6,9-difluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthrene-17-yl)-2-oxo-ethyl ester

: 1400572-48-6
(4aS,4bR,5S,6aS,6bR,9aS,10aS,10bS,12S)-4-b,12-difluoro-6b-(2-fluoro-acetyl)-5-hydroxy-4-a,6a-dimethyl-8-phenyl-4-a,4b,5,6,6a,6b,8,9,9a,10,10a,10b,11,12-tetradecahydro-7-oxa-8-azapentaleno[2,1-a]phenanthren-2-one

Guidance literature:: Multi-step reaction with 4 steps

1: Candida antarctica lipase / ethanol / 37 °C

2: N-ethyl-N,N-diisopropylamine / acetonitrile / 1 h / 20 °C / Inert atmosphere

3: tetrabutyl ammonium fluoride; potassium fluoride / acetonitrile; tetrahydrofuran / Inert atmosphere; Reflux

4: ethanol / 23 h / 100 °C

With Candida antarctica lipase; potassium fluoride; tetrabutyl ammonium fluoride; N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; ethanol; acetonitrile;