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-carboxylic acid benzylamide
There total 6 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-carboxylic acid benzylamide which
guide to synthetic route it.
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synthetic route:
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1323943-19-6
(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-carboxylic acid benzylamide
- Guidance literature:
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1323941-15-6
acetic 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
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1323943-19-6
(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-carboxylic acid benzylamide
- Guidance literature:
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Multi-step reaction with 3 steps
1: sodium hydroxide / water; 1,4-dioxane / 24 h / 20 °C
2: 4-methyl-morpholine / N,N-dimethyl-formamide / 1 h / 55 °C / Inert atmosphere
3: N,N-dimethyl-formamide; tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
With
4-methyl-morpholine; sodium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; water; N,N-dimethyl-formamide;
DOI:10.1021/acs.jmedchem.7b01873
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1323943-19-6
(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-carboxylic acid benzylamide
- Guidance literature:
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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 / 1 h / 110 °C / Inert atmosphere
3: sodium hydroxide / water; 1,4-dioxane / 24 h / 20 °C
4: 4-methyl-morpholine / N,N-dimethyl-formamide / 1 h / 55 °C / Inert atmosphere
5: N,N-dimethyl-formamide; tetrahydrofuran / 1 h / 20 °C / Inert atmosphere
With
4-methyl-morpholine; potassium acetate; trifluoroacetic acid; sodium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; water; N,N-dimethyl-formamide;
DOI:10.1021/acs.jmedchem.7b01873