Certain herbicidal 1,2,4-triazolo[4,5-b]pyridines
US5133798A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1991 |
| Grant date | Jul 28, 1992 |
| Priority date | — |
| Expiry date | Feb 7, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound of formula (I): ##STR1## in which the dotted lines indicate the presence of two double bonds arranged so as to form a fused hetero-aromatic ring system; PA0 Ar is an optionally substituted aryl or heterocyclic ring; PA0 W is O or NR.sup.1, where R.sup.1 is hydrogen or lower alkyl; PA0 X is (CH.sub.2).sub.n, CH.dbd.CH, CH(OR.sup.5)CH.sub.2, COCH.sub.2 ; PA0 where n is O, 1 or 2; PA0 R.sup.2 and R.sup.3 are independently selected from H, optionally substituted alkyl, alkenyl or alkynyl, halogen, NR.sup.6 R.sup.7 or R.sup.2 and R.sup.3 together with the carbon to which they are attached form an optionally substituted alkenyl or cycloalkyl group; PA0 R.sup.4 is CO.sub.2 R.sup.8, CN, COR.sup.8, CH.sub.2 OR.sup.8, CH(OH)R.sup.8, CH(OR.sup.8)R.sup.9, CSNH.sub.2, COSR.sup.8, CSOR.sup.8, CONHSO.sub.2 R.sup.8, CONR.sup.10 R.sup.11, CONHNR.sup.10 R.sup.11, CONHN.sup.+ R.sup.10 R.sup.11 R.sup.12 R.sup.13-, CO.sub.2.sup.- R.sup.14+ or COON.dbd.CR.sup.10 R.sup.11 ; PA0 R.sup.14+ is an agriculturally acceptable cation; and R.sup.13- is an agriculturally acceptable anion; PA0 R.sup.5, R.sup.8 and R.sup.9 are independently selected from H or an optionally substituted alkyl, aryl, alkenyl…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.