(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-yl) ester

Base Information

Chemical Name:(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-yl) ester
CAS No.:1323944-06-4
Molecular Formula:C₃₃H₃₇F₂NO₅S
Molecular Weight:597.723
Hs Code.:

(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-yl) ester

Synonyms:(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-yl) ester

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Chemical Property of (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-yl) ester

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Technology Process of (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-yl) ester

There total 5 articles about (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-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: 13.14%

: 1323942-37-5
(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-benzyl-4b,12-difluoro-5-hydroxy-4a,6adimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-azapentaleno[2,1-a]phenanthrene-6b-carboxylic acid

: 14032-62-3
2-mercapto-γ-butyrolactone

: 1323944-06-4
(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-yl) ester

Guidance literature:: (4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-benzyl-4b,12-difluoro-5-hydroxy-4a,6adimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-azapentaleno[2,1-a]phenanthrene-6b-carboxylic acid; With 1,1'-carbonyldiimidazole; In N,N-dimethyl-formamide; at 20 - 65 ℃; for 2.5h; Inert atmosphere;

2-mercapto-γ-butyrolactone; With dmap; In N,N-dimethyl-formamide; at 20 - 70 ℃; for 49h;

Reference yield:

: 1270039-29-6
(6S,8S,9R,10S,11S,13S,14S)-6,9-difluoro-11-hydroxy-17-(2-hydroxy-acetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro cyclopenta[a]phenanthrene-3-one

: 1323944-06-4
(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-yl) ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: trifluoroacetic acid / xylene / 1 h / 140 °C

2.1: sodium hydroxide; water / tetrahydrofuran / 72 h / 20 °C

2.2: pH 6

3.1: 1,1'-carbonyldiimidazole / N,N-dimethyl-formamide / 2.5 h / 20 - 65 °C / Inert atmosphere

3.2: 49 h / 20 - 70 °C

With water; 1,1'-carbonyldiimidazole; trifluoroacetic acid; sodium hydroxide; In tetrahydrofuran; N,N-dimethyl-formamide; xylene;

Reference yield:

: difluprednate

: 1323944-06-4
(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-Benzyl-4b,12-difluoro-5-hydroxy-4a,6a-dimethyl-2-oxo-2,4b,5,6,6a,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-aza-pentaleno[2,1-a]phenanthrene-6b-carbothioic acid S-(2-oxo-tetrahydro-furan-3-yl) ester

Guidance literature:: Multi-step reaction with 5 steps

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

2.1: ethanol / Candida antarctica lipase / 37 °C / Enzymatic reaction

3.1: trifluoroacetic acid / xylene / 1 h / 140 °C

4.1: sodium hydroxide; water / tetrahydrofuran / 72 h / 20 °C

4.2: pH 6

5.1: 1,1'-carbonyldiimidazole / N,N-dimethyl-formamide / 2.5 h / 20 - 65 °C / Inert atmosphere

5.2: 49 h / 20 - 70 °C

With ethanol; water; potassium acetate; 1,1'-carbonyldiimidazole; trifluoroacetic acid; sodium hydroxide; Candida antarctica lipase; In tetrahydrofuran; N,N-dimethyl-formamide; xylene;