Phosphoric and thiophosphoric esters of 5(3)-hydroxypyrazoles exerting an insecticidal action
US4492690A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1983 |
| Grant date | Jan 8, 1985 |
| Priority date | — |
| Expiry date | Aug 18, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/650905
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Phosphoric or thiophosphoric esters of 5(3)-hydroxypyrazoles are disclosed having the formula: ##STR1## wherein: R=H; alkyl with 1-7 carbon atoms optionally substituted with halogens, CN, and carboalkoxy groups; phenyl optionally substituted; benzyl; alkenyl; or alkynyl; PA1 X=halogen; --SR; --OR; --N(R).sub.2 ; or ##STR2## where Y is equal to or different from each other, and =H; C.sub.1 -C.sub.3 alkyl; halogen; --SR; --OR; or --N(R).sub.2 ; PA1 Z=S; or O; and PA1 R.sup.1 and R.sup.2, equal to or different from each other, are: alkoxyls; alkyls; phenyls; or alkylthio- or alkylamino-groups. These are useful as insecticides, acaricides and nematodacides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.