Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester ethyl ester

Base Information

Chemical Name:Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester ethyl ester
CAS No.:1323941-78-1
Molecular Formula:C₃₃H₃₉F₂NO₆
Molecular Weight:583.673
Hs Code.:

Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester ethyl ester

Synonyms:Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester ethyl ester

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Chemical Property of Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester ethyl ester

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Technology Process of Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester ethyl ester

There total 4 articles about Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester 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: 43.8%

: 1323941-10-1
(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-benzyl-4b,12-difluoro-5-hydroxy-6b-(2-hydroxy-acetyl)-4a,6a-dimethyl-4b,5,6,6a,6b,7,8,9,9a,10,10a,10b,11,12-tetradecahydro-4aH-8-azapentaleno[2,1-a]phenanthrene-2-one

: 541-41-3
chloroformic acid ethyl ester

: 1323941-78-1
Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester ethyl ester

Guidance literature:: With dmap; In dichloromethane; at 0 ℃; for 4h; Inert atmosphere;

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

: 1323941-78-1
Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

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

2: dmap / dichloromethane / 4 h / 0 °C / Inert atmosphere

With dmap; trifluoroacetic acid; In dichloromethane; xylene;

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

: 1323941-78-1
Carbonic acid 2-((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]phenanthren-6b-yl)-2-oxo-ethyl ester ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

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

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

3: dmap / dichloromethane / 4 h / 0 °C / Inert atmosphere

With dmap; ethanol; trifluoroacetic acid; Candida antarctica lipase; In dichloromethane; xylene;