Benzisoxazole compounds useful as herbicides
US5176737A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1991 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Feb 7, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D261/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A herbicidal compound of formula (I): ##STR1## in which Ar is an optionally substituted aryl or heterocyclic ring system: PA0 R.sup.1 and R.sup.2 are independently selected from H, optionally substituted alkyl, alkenyl or akynyl, halogen, NR.sup.a R.sup.b, or R.sup.1 and R.sup.2 together with the carbon to which they are attached form an optionally substituted alkenyl or cycloalkyl group; PA0 R.sup.3 is CO.sub.2 R.sup.4, CN, COR.sup.4, CH.sub.2 OR.sup.4, CH.sub.4 (OH)R.sup.4, CH(OR.sup.4)R.sup.5, CH.sub.2 OSO.sub.6 R.sup.4, CH.sub.2 OSO.sub.6 R.sub.4, CH.sub.2 ONR.sup.6 R.sup.7, CSNH.sub.2, COSR.sup.4, SCOR.sup.4, COHNSO.sub.2 R.sup.4, CONR.sup.6 R.sup.7, CONHNR.sup.6 R.sup.7, CONHN.sup.+ R.sup.6 R.sup.7 R.sup.8 Y.sup.-2, CO.sub.2.sup.- M.sup.+ or COON.dbd.CR.sup.6 R.sup.7 ; PA0 M.sup.+ is an agriculturally acceptable cation; PA0 Y.sup.- is an agriculturally acceptable anion; PA0 R.sup.4, and R.sup.5 are independently selected from H or an optionally substituted alkyl, aryl, alkenyl or alkynyl group; PA0 R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.a and R.sup.b are independently selected from H or an optionally substituted alkyl alkenyl, aryl or akynyl group or any two of R.sup.6, R.…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.