Pollen suppressant comprising a pyridazolylamine
US4561881A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1983 |
| Grant date | Dec 31, 1985 |
| Priority date | — |
| Expiry date | Sep 14, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D237/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A pollen suppressant of the formula ##STR1## wherein R.sup.1 and R.sup.4 independently represent C.sub.1 -C.sub.4 alkyl, phenyl, naphthyl, or phenyl or naphthyl substituted with one to three substituents selected from the group consisting of halogen, trihalomethyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, and cyano; R.sup.2 is ##STR2## where R.sup.5 is a C.sub.1 -C.sub.12 alkyl group, optionally substituted with one or more halogen atoms, or an aryl group selected from the group consisting of 6-membered rings containing 0-3 nitrogens and fused bicyclic 10-membered rings containing 6 atoms in each ring and 0-3 nitrogens per ring with the remaining atoms in the ring or rings of said aryl group being carbon atoms, said aryl group being optionally substituted with a C.sub.1 -C.sub.4 alkyl group or an electron-withdrawing group, R.sup.3 is hydrogen, a halogen a C.sub.1 -C.sub.4 alkyl group, a carboxy group or an agronomically acceptable alkali metal salt thereof, or a group of the formula --COOR.sup.6 or --CONR.sup.6 R.sup.7 where R.sup.6 is a C.sub.1 -C.sub.4 alkyl group and R.sup.7 is R.sup.6 or hydrogen, is disclosed along with methods of producing these compounds and of usin…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.