Preparation of N-substituted carboxylic acid amides
US4273938A · kind A · utility
5Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1979 |
| Grant date | Jun 16, 1981 |
| Priority date | — |
| Expiry date | Jan 25, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C231/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
N-substituted carboxylic acid amides are prepared by reacting cyano compounds with olefins and water in the presence of cation exchangers containing sulfonic acid groups. The end products I are starting materials for the preparation of dyes, pesticides, emulsifiers, dispersants, stabilizers, textile auxiliaries and printing assistants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.