Technology Process of (4bS,7R,8aR)-methyl 4b-benzyl-7,10-dihydroxy-7-(trifluoromethyl)-4b,5,6,7,8,8a,9,10-octahydrophenanthrene-2-carboxylate
There total 6 articles about (4bS,7R,8aR)-methyl 4b-benzyl-7,10-dihydroxy-7-(trifluoromethyl)-4b,5,6,7,8,8a,9,10-octahydrophenanthrene-2-carboxylate which
guide to synthetic route it.
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synthetic route:
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1400927-11-8
(4bS,7R,8aR)-methyl 4b-benzyl-7,10-dihydroxy-7-(trifluoromethyl)-4b,5,6,7,8,8a,9,10-octahydrophenanthrene-2-carboxylate
- Guidance literature:
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(4bS,7R,8aS)-methyl 4b-benzyl-7-hydroxy-10-oxo-7-(trifluoromethyl)-4b,5,6,7,8,8a,9,10-octahydrophenanthrene-2-carboxylate;
With
sodium tetrahydroborate;
In
methanol; dichloromethane;
at 15 - 20 ℃;
for 2.33333h;
With
hydrogenchloride;
In
methanol; dichloromethane; water;
pH=5;
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1400927-11-8
(4bS,7R,8aR)-methyl 4b-benzyl-7,10-dihydroxy-7-(trifluoromethyl)-4b,5,6,7,8,8a,9,10-octahydrophenanthrene-2-carboxylate
- Guidance literature:
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Multi-step reaction with 6 steps
1.1: sodium ethanolate / ethanol / 0.5 h / 80 °C / Industry scale
2.1: triethylamine / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 15 h / 100 °C / 3102.97 Torr / Inert atmosphere
3.1: trichloroacetic acid; (2R,5R)-5-benzyl-3-methyl-2-(5-methylfuran-2-yl)imidazolidin-4-one / toluene / 1 h / 20 °C
3.2: 96 h
4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2.83 h / 0 °C / Inert atmosphere
5.1: ozone / dichloromethane; methanol / 24 h / -65 °C
5.2: polymer bound triphenylphospine / 18 h / 20 °C
6.1: sodium tetrahydroborate / dichloromethane; methanol / 2.33 h / 15 - 20 °C
6.2: pH 5
With
sodium tetrahydroborate; (2R,5R)-5-benzyl-3-methyl-2-(5-methylfuran-2-yl)imidazolidin-4-one; tetrabutyl ammonium fluoride; sodium ethanolate; ozone; triethylamine; trichloroacetic acid;
dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; toluene;
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-
1400927-11-8
(4bS,7R,8aR)-methyl 4b-benzyl-7,10-dihydroxy-7-(trifluoromethyl)-4b,5,6,7,8,8a,9,10-octahydrophenanthrene-2-carboxylate
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: triethylamine / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 / 15 h / 100 °C / 3102.97 Torr / Inert atmosphere
2.1: trichloroacetic acid; (2R,5R)-5-benzyl-3-methyl-2-(5-methylfuran-2-yl)imidazolidin-4-one / toluene / 1 h / 20 °C
2.2: 96 h
3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 2.83 h / 0 °C / Inert atmosphere
4.1: ozone / dichloromethane; methanol / 24 h / -65 °C
4.2: polymer bound triphenylphospine / 18 h / 20 °C
5.1: sodium tetrahydroborate / dichloromethane; methanol / 2.33 h / 15 - 20 °C
5.2: pH 5
With
sodium tetrahydroborate; (2R,5R)-5-benzyl-3-methyl-2-(5-methylfuran-2-yl)imidazolidin-4-one; tetrabutyl ammonium fluoride; ozone; triethylamine; trichloroacetic acid;
dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2;
In
tetrahydrofuran; methanol; dichloromethane; toluene;