Process for the preparation of (E)-1-amino-2-(fluoromethylene)-4-(p-fluorophenyl)butane, novel processes for preparing an intermediate thereof, and novel intermediates thereof
US5488188A · kind A · utility
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2References
2Claims
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Assignee
Inventors
Key dates
| Filing date | Sep 29, 1994 |
| Grant date | Jan 30, 1996 |
| Priority date | — |
| Expiry date | Sep 29, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C233/13
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a novel process for preparing (E)-1-amino-2-(fluoromethylene)-4-(p-fluorophenyl)butane, also known in the art as (E)-(p-fluorophenethyl)-3-fluoroallylamine, novel intermediates thereof, a novel process for the preparing (E)-2-(fluoromethylene)-4-(p-fluorophenyl)butan-1-ol, and a novel process for preparing alkali metal salts of diformylamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.