Production process for carboxylic amide and derivatives thereof
US7585989B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2004 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Mar 12, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C231/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A production process for a carboxylic amide compound in which color tone stability after the passage of time is good and in order to provide production processes for betaine, a quaternary ammonium salt and an amine salt using the above carboxylic amide compound, a production process for carboxylic amide and derivatives thereof characterized by reacting higher fatty acid or an ester thereof represented by the following Formula (1) with diamine represented by the following Formula (2) under the presence of an organic phosphonic acid compound represented by the following Formula (3) or adding the organic phosphonic acid compound after the reaction or after removing excess diamine after the reaction:R1—COOR2 (1)wherein each of the R and Z groups and n are defined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.