Process for the preparation of 2,3-pyridinedicarboximides
US5849916A · kind A · utility
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5References
15Claims
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Key dates
| Filing date | Jun 10, 1997 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Jun 10, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is provided a process for the preparation of 2,3-pyridinedicarboximides having the structural formula I ##STR1## The 2,3-pyridinedicarboximides are useful as intermediates in the preparation of herbicidal 2-(2-imidazolin-2-yl)nicotinic acids, esters and salts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.