Substituted N-aryl nitrogen-containing heterocyclic compounds
US6743755B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | May 2, 2002 |
| Grant date | Jun 1, 2004 |
| Priority date | — |
| Expiry date | Jul 19, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D413/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to novel substituted N-aryl nitrogen-containing heterocyclic compounds of the general formula (I) and to the compounds isomeric to the substituted N-aryl nitrogen-containing heterocyclic compounds of the formula (I), of the formulae (Ia) and (Ib) in whichQ1, Q2, R1, R2 and Ar have the meanings given in the description, processes for their preparation and their use as herbicides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.