((1-piperazinyl)carbonyl)phosphoramidothioate ester insecticides
US4950657A · kind A · utility
1Cited by
1References
30Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 10, 1989 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Oct 10, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/650952
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
O,S-Dialkyl ((piperazinyl)carbonyl)phosphoramidothioates are prepared by the reaction of O,S-dialkyl phosphoroisocyanatidothioates with substituted piperazines and found to be effective plant systemic and contact insecticides. ((4-(1,1-Dimethylethyl)-1-piperazinyl)carbonyl)phosphoramidothioate, for example, is prepared from O,S-dimethyl phosphoroisocyanatidothioate and 4-(1,1-dimethylethyl)piperazine and found to control aster leafhoppers when applied to rice plants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.