Insecticidal esters
US4262014A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 1978 |
| Grant date | Apr 14, 1981 |
| Priority date | — |
| Expiry date | Aug 10, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D317/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The (+), (-) and (.+-.) forms of the compounds of formula I ##STR1## wherein R.sup.1 is hydrogen or a methoxy, ethoxy, propoxy, methylthio, ethylthio, propylthio, fluoro, chloro, bromo, methyl, ethyl, nitro or amino group, and PA1 R.sup.2 is a hydrogen or methyl group or R.sup.1 and R.sup.2 together form a methylenedioxy group; PA1 R.sup.3 is hydrogen, or a lower alkyl group, or one of the following groups (a) to (d): PA2 (a) m-phenoxybenzyl PA2 (b) 2-benzyl-4-furylmethyl PA2 (c) .alpha.-cyano-m-phenoxybenzyl PA2 (d) 3-4-methylenedioxy-benzyl, and PA1 R.sup.4 and R.sup.5 are the same or different groups and each is a fluoro, bromo, chloro or methyl group. The compounds of formula I in which R.sup.3 is one of groups (a) to (d) are extremely active as insecticides (except when R.sup.1 is an amino group). The compounds also possess the property of contact repellency to insects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.