Herbicidal compounds
US5304532A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 1991 |
| Grant date | Apr 19, 1994 |
| Priority date | — |
| Expiry date | May 29, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C323/62
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## wherein X.sup.1, X.sup.2 and X.sup.3 each independently represents hydrogen, halogen or alkyl; n is 0 or 1; Z represents hydrogen or halogen or an amino, alkyl, haloalkyl, alkylthio or alkoxy group or a phenoxy group optionally substituted by haloalkyl; A represents CH or N; Y.sup.1 and ZY.sup.2 each independently represents hydrogen, halogen, alkyl, haloalkyl, alkoxy or haloalkoxy; and W represents hydrogen or, when A is CH and at least one of Y.sup.1 and Y.sup.2 is not hydrogen or when A is N, hydrogen or halogen; with the proviso that when A represents N, then each of Y.sup.1 and Y.sup.2 represents hydrogen, have herbicidal properties. The invention also provides a process for their preparation and their use as herbicides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.