Preparation of benzamides useful as antiemetic agents
US4950766A · kind A · utility
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10Claims
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Key dates
| Filing date | Sep 21, 1989 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Sep 21, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for preparing a benzamide by reacting an aromatic acid with an amine having a primary amino group and a secondary amino group wherein the reaction is directed to the primary amino group by first reacting the acid with N,N'-carbonyldiimidazole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.