Preparation of 3,5-diaminobenzotrifluoride
US5347052A · kind A · utility
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20Claims
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Inventor
Key dates
| Filing date | Apr 15, 1991 |
| Grant date | Sep 13, 1994 |
| Priority date | — |
| Expiry date | Apr 15, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C209/365
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
3,5-Diaminobenzotrifluoride can be produced, in a single step, by reacting 4-chloro-3,5-dinitrobenzotrifluoride, in methanol, with hydrogen gas, in the presence of magnesium oxide, and in the presence of a catalyst comprising palladium on a carbon support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.