Technology Process of (2R)-2-[(1R,2R,4aS,6R,8aR)-2-(3,5-dimethoxyphenyl)-4,6-dimethyl-8-oxo-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]propanenitrile
There total 11 articles about (2R)-2-[(1R,2R,4aS,6R,8aR)-2-(3,5-dimethoxyphenyl)-4,6-dimethyl-8-oxo-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]propanenitrile which
guide to synthetic route it.
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synthetic route:
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936368-45-5
(2R)-2-[(1R,2R,4aS,6R,8S,8aR)-2-(3,5-dimethoxyphenyl)-8-hydroxy-4,6-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]propanenitrile
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936368-46-6
(2R)-2-[(1R,2R,4aS,6R,8aR)-2-(3,5-dimethoxyphenyl)-4,6-dimethyl-8-oxo-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]propanenitrile
- Guidance literature:
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With
Dess-Martin periodane;
In
dichloromethane;
at 0 - 23 ℃;
DOI:10.1021/ol070049a
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936368-46-6
(2R)-2-[(1R,2R,4aS,6R,8aR)-2-(3,5-dimethoxyphenyl)-4,6-dimethyl-8-oxo-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]propanenitrile
- Guidance literature:
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Multi-step reaction with 7 steps
1.1: potassium tert-butoxide / tetrahydrofuran / 1 h / 20 °C
1.2: tetrahydrofuran / -80 - 0 °C
1.3: CHCl3 / 2 h / 60 °C
2.1: 1.610 g / diisobutylaluminium hydride / CH2Cl2 / -20 - 23 °C
3.1: 94 percent / triethylamine / CH2Cl2 / 1 h / 0 °C
4.1: 98 percent / dimethylsulfoxide / 72 h / 50 °C
5.1: lithium diisopropylamide / hexane; tetrahydrofuran / 1 h / -80 °C
5.2: 87 percent / hexane; tetrahydrofuran / 0.5 h / -80 °C
6.1: 99 percent / tetrabutylammonium fluoride / tetrahydrofuran / 0 - 23 °C
7.1: 96 percent / Dess-Martin periodinane / CH2Cl2 / 0 - 23 °C
With
potassium tert-butylate; tetrabutyl ammonium fluoride; diisobutylaluminium hydride; Dess-Martin periodane; triethylamine; lithium diisopropyl amide;
In
tetrahydrofuran; hexane; dichloromethane; dimethyl sulfoxide;
7.1: Dess-Martin oxidation;
DOI:10.1021/ol070049a
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936368-43-3
[(1S,2S,4aS,6R,8S,8aS)-8-{[tert-butyl(dimethyl)silyl]oxy}-2-(3,5-dimethoxyphenyl)-4,6-dimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]methanol
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936368-46-6
(2R)-2-[(1R,2R,4aS,6R,8aR)-2-(3,5-dimethoxyphenyl)-4,6-dimethyl-8-oxo-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]propanenitrile
- Guidance literature:
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Multi-step reaction with 5 steps
1.1: 94 percent / triethylamine / CH2Cl2 / 1 h / 0 °C
2.1: 98 percent / dimethylsulfoxide / 72 h / 50 °C
3.1: lithium diisopropylamide / hexane; tetrahydrofuran / 1 h / -80 °C
3.2: 87 percent / hexane; tetrahydrofuran / 0.5 h / -80 °C
4.1: 99 percent / tetrabutylammonium fluoride / tetrahydrofuran / 0 - 23 °C
5.1: 96 percent / Dess-Martin periodinane / CH2Cl2 / 0 - 23 °C
With
tetrabutyl ammonium fluoride; Dess-Martin periodane; triethylamine; lithium diisopropyl amide;
In
tetrahydrofuran; hexane; dichloromethane; dimethyl sulfoxide;
5.1: Dess-Martin oxidation;
DOI:10.1021/ol070049a