Method for the preparation of certain pyridine and quinoline 2,3-dicarboxylic anhydrides
US4439607A · kind A · utility
7Cited by
1References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 25, 1982 |
| Grant date | Mar 27, 1984 |
| Priority date | — |
| Expiry date | May 25, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of substituted pyridine and quinoline-2,3-dicarboxylic anhydrides, and the herbicidally effective imidazolinyl pyridine and quinoline compounds prepared therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.