Herbicidal indazole and benzimidazole compounds
US5306692A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1991 |
| Grant date | Apr 26, 1994 |
| Priority date | — |
| Expiry date | Feb 7, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A herbicidal compound of formula (I): ##STR1## or N-oxide or quaternised derivative thereof; Ar is an optionally substituted aryl or heterocyclic ring system; PA1 W is O or NR.sup.1 where R.sup.1 is H or lower alkyl; PA1 A, B, D are independently selected from N, NR.sup.2, N--E, CR.sup.6, C--E or C(R.sup.6)E; PA1 wherein E is: ##STR2## provided 2 of A, B and D are N, NR.sup.2 or N--E; one of A, B and D is CR.sup.6, C--E or C(R.sup.6) E and at least one of A, B or D carries a group E; PA1 where R.sup.2 is H, OR.sup.7, CN, COOR.sup.8, alkyl or haloalkyl; PA1 R.sup.3 and R.sup.4 are independently selected from H, optionally substituted alkyl, alkenyl or alkynyl, halogen, NR.sup.9 R.sup.10, or R.sup.3 and R.sup.4 together with the carbon to which they are attached form an optically substituted alkenyl or cycloalkyl group; PA1 X is (CH.sub.2).sub.n, CH.dbd.CH, CH(OR.sup.16)CH.sub.2 or COCH.sub.2 where n is O, 1 or 2; PA1 R.sup.5 is CO.sub.2 R.sup.11, CN, COR.sup.11, CH(OH)R.sup.11, CH(OR.sup.11)R.sup.12, CSNH.sub.2, COSR.sup.11, CSOR.sup.11, CONHSO.sub.2 R.sup.11, CONR.sup.13 R.sup.14, CONHNR.sup.13 R.sup.14 R.sup.15 Y.sup.-, CO.sub.2,.sup.- M.sup.+ or COON.dbd.CR.sup.13 R.sup.14 ; PA1 …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.