Pyrimidine derivatives herbicides
US5604181A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1995 |
| Grant date | Feb 18, 1997 |
| Priority date | — |
| Expiry date | Mar 8, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/52
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Herbicidal compounds of formula (I) and salts thereof, where A is --N.dbd. or --CH.dbd.; X is --OH, --OR.sup.10, --SH, --SR.sup.10, --SCN, NH.sub.2, --NHacyl, --CH.sub.2 OH, --CH.sub.2 OR.sup.9 or --CN; R.sup.1 and R.sup.2, which may be the same or different, each represent alkyl, alkoxy, haloalkyl, haloalkoxy, halo, alkylamino or dialkylamino; R.sup.3 is --CN, --COOR.sup.5, --CONR.sup.6 R.sup.7, --CSNH.sub.2, --CHO, --CH.dbd.Z, --CH(Oalkyl).sub.2, --CH.sub.2 OH, --CH.sub.2 OR.sup.9, --COSR.sup.4a, --CS.sub.2 R.sup.4a, or a substituted or unsubstituted 5- or 6-membered heterocyclic group linked via a ring carbon atom which is between two ring heteroatoms; R.sup.4 and R.sup.4a, which may be the same or different, are each H, or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl or heteroaryl group; R.sup.5 is H, or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycoalkyl, aryl, aralkyl or heteroaryl group, or a group of formula (II) where B and D are each alkyl, or together with the carbon atom to which they are attached form a 5-, 6- or 7-membered carbocyclic or heterocyclic ring; R.sup.6 is a group as defined for R.sup.4a, and R.sup.7 is a g…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.