acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-yl]-2-oxo-ethyl ester

Base Information

Chemical Name:acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-yl]-2-oxo-ethyl ester
CAS No.:1421745-76-7
Molecular Formula:C₃₁H₃₄ClF₂NO₅
Molecular Weight:574.064
Hs Code.:

acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-yl]-2-oxo-ethyl ester

Synonyms:acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-yl]-2-oxo-ethyl ester

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Chemical Property of acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-yl]-2-oxo-ethyl ester

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Technology Process of acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-yl]-2-oxo-ethyl ester

There total 5 articles about acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-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: 12.0%

: 1323941-32-7
acetic acid 2-((4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-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-4-aH-8-aza-pentaleno[2,1-a]phenanthren-6b-yl)-2-oxo-ethyl ester hydrochloride

: 1679-18-1
4-Chlorophenylboronic acid

: 1421745-76-7
acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-yl]-2-oxo-ethyl ester

Guidance literature:: With copper diacetate; triethylamine; In dichloromethane; at 20 ℃; for 360h;

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

: 1421745-76-7
acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-yl]-2-oxo-ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: trifluoroacetic acid / 1,4-dioxane / 2 h / 100 °C / Inert atmosphere

2: sodium hydrogencarbonate / acetonitrile / 50 °C

3: hydrogenchloride / 1,4-dioxane / 2 h / 20 °C

4: triethylamine; copper diacetate / dichloromethane / 360 h / 20 °C

With hydrogenchloride; copper diacetate; sodium hydrogencarbonate; triethylamine; trifluoroacetic acid; In 1,4-dioxane; dichloromethane; acetonitrile;

Reference yield:

: difluprednate

: 1421745-76-7
acetic acid 2-[(4aS,4bR,5S,6aS,6bS,9aR,10aS,10bS,12S)-8-(4-chloro-phenyl)-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-yl]-2-oxo-ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

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

2: trifluoroacetic acid / 1,4-dioxane / 2 h / 100 °C / Inert atmosphere

3: sodium hydrogencarbonate / acetonitrile / 50 °C

4: hydrogenchloride / 1,4-dioxane / 2 h / 20 °C

5: triethylamine; copper diacetate / dichloromethane / 360 h / 20 °C

With hydrogenchloride; potassium acetate; copper diacetate; sodium hydrogencarbonate; triethylamine; trifluoroacetic acid; In 1,4-dioxane; dichloromethane; N,N-dimethyl-formamide; acetonitrile;