Alcohol modified process for preparing bis-substituted phenolic amides
US5629448A · kind A · utility
1Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1996 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Sep 27, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C231/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing an amide of a bis (hydrocarbyl substituted hydroxyaryl) acetic acid by reacting a lactone produced in the reaction between the glyoxylic acid and phenol with a polyamine in the presence of an alcohol solvent is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.