Herbicidal N-aryl-substituted nitrogen-containing heterocycles
US5069711A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1991 |
| Grant date | Dec 3, 1991 |
| Priority date | — |
| Expiry date | Feb 1, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Herbicidal N-aryl-substituted nitrogen-containing heterocycles of the formula ##STR1## in which Het represents a heterocycle of the formula ##STR2## R.sup.1 represents hydrogen or halogen and R.sup.2 represents halogen, hydroxyl or represents a radical --Z.sup.2 --R.sup.8, where PA0 X.sup.1 represents oxygen, represents a --CH.sub.2 -- group, represents a ##STR3## or represents a ##STR4## represents nitrogen or a CH group, Z.sup.1 represents oxygen or sulphur, PA0 Z.sup.2 represents oxygen or sulphur, PA0 R.sup.3 and R.sup.4 independently of one another in each case represent hydrogen or alkyl, PA0 R.sup.3 and R.sup.6 either independently of one another in each case represent hydrogen or alkyl or together represent a double-linked alkanediyl radical, PA0 R.sup.7 represents hydrogen, alkyl or represents optionally substituted aryl and PA0 R.sup.8 represents in each case optionally substituted alkyl, alkenyl alkinyl or cycloalkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.