Cycloalkanapyrazole herbicides
US4059434A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 26, 1976 |
| Grant date | Nov 22, 1977 |
| Priority date | — |
| Expiry date | Aug 26, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D231/54
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Herbicidal cycloalkanapyrazoles of the formula: ##STR1## where N IS 3, 4 OR 5; PA1 R.sub.1 is hydrogen or methyl; PA1 Q is fluorine, chlorine, bromine or iodine; PA1 X is fluorine, chlorine, bromine, iodine, cyano, methoxy or nitro; PA1 Y is hydrogen, fluorine, or chlorine; PA1 Z is hydrogen or fluorine; and PA1 V is hydrogen, fluorine, chlorine or methoxy with the proviso that PA2 A. when n is 5, R.sub.1 must be hydrogen, Q must be chlorine or bromine, Z and V must both be hydrogen and Y must be hydrogen or fluorine; PA2 B. when n is 3 or 4 and Q is fluorine or iodine, R.sub.1, Z and V must be hydrogen and Y must be hydrogen or fluorine; PA2 C. when n is 3 and R.sub.1 is methyl, Q must be chlorine or bromine, Y must be hydrogen or fluorine and Z and V must both be hydrogen; and, PA2 D. when V is other than hydrogen, X must be fluorine, chlorine or bromine and Z must be hydrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.