Technology Process of (1S,2R,3R,4aR,6aS,7R,8R,10aR,10bR,12aR)-3-acetoxy-2-((S)-2-(((benzyloxy)carbonyl)(methyl)amino)-2,3-dimethylbutoxy)-1,6a,8,10a-tetramethyl-8-((R)-3-methylbutan-2-yl)-2,3,4,6,6a,7,8,9,10,10a,10b,11,12,12a-tetradecahydro-1H-1,4a-(methanooxymethano)chrysene-7-carboxylic acid
There total 11 articles about (1S,2R,3R,4aR,6aS,7R,8R,10aR,10bR,12aR)-3-acetoxy-2-((S)-2-(((benzyloxy)carbonyl)(methyl)amino)-2,3-dimethylbutoxy)-1,6a,8,10a-tetramethyl-8-((R)-3-methylbutan-2-yl)-2,3,4,6,6a,7,8,9,10,10a,10b,11,12,12a-tetradecahydro-1H-1,4a-(methanooxymethano)chrysene-7-carboxylic acid which
guide to synthetic route it.
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synthetic route:
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1370547-50-4
(1S,2R,3R,4aR,6aS,7R,8R,10aR,10bR,12aR)-3-acetoxy-2-((S)-2-(((benzyloxy)carbonyl)(methyl)amino)-2,3-dimethylbutoxy)-1,6a,8,10a-tetramethyl-8-((R)-3-methylbutan-2-yl)-2,3,4,6,6a,7,8,9,10,10a,10b,11,12,12a-tetradecahydro-1H-1,4a-(methanooxymethano)chrysene-7-carboxylic acid
- Guidance literature:
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Multi-step reaction with 8 steps
1: lithium aluminium tetrahydride / tetrahydrofuran; 2-methyltetrahydrofuran / 60 °C / Large scale reaction
2: thionyl chloride; N-ethyl-N,N-diisopropylamine / dichloromethane / -17 - -3 °C / Large scale reaction
3: sodium periodate; rhodium(III) chloride hydrate / acetonitrile / 20 °C / Large scale reaction
4: potassium 2-methylbutan-2-olate / N,N-dimethyl acetamide; toluene / 24.5 h / 20 - 25 °C / Large scale reaction
5: toluene-4-sulfonic acid; acetic acid / Isopropyl acetate / 3.5 h / 20 - 60 °C / Large scale reaction
6: palladium 10% on activated carbon; formic acid; triethylamine / tetrahydrofuran / 0.5 h / 50 °C / Large scale reaction
7: potassium carbonate / tetrahydrofuran; toluene / 3 h / 20 °C
8: sodium hydroxide / 6 h / 20 °C / Large scale reaction
With
sodium periodate; lithium aluminium tetrahydride; formic acid; thionyl chloride; rhodium(III) chloride hydrate; palladium 10% on activated carbon; potassium 2-methylbutan-2-olate; potassium carbonate; toluene-4-sulfonic acid; acetic acid; triethylamine; N-ethyl-N,N-diisopropylamine; sodium hydroxide;
In
tetrahydrofuran; 2-methyltetrahydrofuran; dichloromethane; N,N-dimethyl acetamide; Isopropyl acetate; toluene; acetonitrile;
DOI:10.1021/jo300046v
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1370547-49-1
(1S,2R,3R,4aR,6aS,7R,8R,10aR,10bR,12aR)-3-acetoxy-2-((S)-2,3-dimethyl-2-(methylamino)butoxy)-1,6a,8,10a-tetramethyl-8-((R)-3-methylbutan-2-yl)-2,3,4,6,6a,7,8,9,10,10a,10b,-11,12,12a-tetradecahydro-1H-1,4a-(methanooxymethano)-chrysene-7-carboxylic acid
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1370547-50-4
(1S,2R,3R,4aR,6aS,7R,8R,10aR,10bR,12aR)-3-acetoxy-2-((S)-2-(((benzyloxy)carbonyl)(methyl)amino)-2,3-dimethylbutoxy)-1,6a,8,10a-tetramethyl-8-((R)-3-methylbutan-2-yl)-2,3,4,6,6a,7,8,9,10,10a,10b,11,12,12a-tetradecahydro-1H-1,4a-(methanooxymethano)chrysene-7-carboxylic acid
- Guidance literature:
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Multi-step reaction with 2 steps
1: potassium carbonate / tetrahydrofuran; toluene / 3 h / 20 °C
2: sodium hydroxide / 6 h / 20 °C / Large scale reaction
With
potassium carbonate; sodium hydroxide;
In
tetrahydrofuran; toluene;
DOI:10.1021/jo300046v
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1370547-50-4
(1S,2R,3R,4aR,6aS,7R,8R,10aR,10bR,12aR)-3-acetoxy-2-((S)-2-(((benzyloxy)carbonyl)(methyl)amino)-2,3-dimethylbutoxy)-1,6a,8,10a-tetramethyl-8-((R)-3-methylbutan-2-yl)-2,3,4,6,6a,7,8,9,10,10a,10b,11,12,12a-tetradecahydro-1H-1,4a-(methanooxymethano)chrysene-7-carboxylic acid
- Guidance literature:
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Multi-step reaction with 7 steps
1: sulfuric acid / 14 h / Reflux; Large scale reaction
2: potassium carbonate / N,N-dimethyl-formamide / 0.5 h / 25 - 78 °C / Large scale reaction
3: potassium 2-methylbutan-2-olate / N,N-dimethyl acetamide; toluene / 24.5 h / 20 - 25 °C / Large scale reaction
4: toluene-4-sulfonic acid; acetic acid / Isopropyl acetate / 3.5 h / 20 - 60 °C / Large scale reaction
5: palladium 10% on activated carbon; formic acid; triethylamine / tetrahydrofuran / 0.5 h / 50 °C / Large scale reaction
6: potassium carbonate / tetrahydrofuran; toluene / 3 h / 20 °C
7: sodium hydroxide / 6 h / 20 °C / Large scale reaction
With
formic acid; sulfuric acid; palladium 10% on activated carbon; potassium 2-methylbutan-2-olate; potassium carbonate; toluene-4-sulfonic acid; acetic acid; triethylamine; sodium hydroxide;
In
tetrahydrofuran; N,N-dimethyl acetamide; Isopropyl acetate; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jo300046v