Phosphoric esters derived from 1,2,4-triazole having an insecticidal, nematocidal and acaricidal action, and their preparation
US4220789A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1977 |
| Grant date | Sep 2, 1980 |
| Priority date | — |
| Expiry date | Nov 14, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D249/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
1,2,4-triazol-(5)-yl-[thio] phosphates are disclosed having the formula ##STR1## wherein R.sup.1 =alkyl with from 1 to 5 carbon atoms; PA1 R.sup.2 =OR.sup.1, R.sup.1, C.sub.6 H.sub.5, NHR.sup.1, N(R.sup.1); PA1 X=O, S; PA1 R.sup.3 =H, alkyl with from 1 to 5 carbon atoms, C.sub.6 H.sub.5, benzyl, alkenyl with from 2 to 6 carbon atoms, alkynyl with from 2 to 6 carbon atoms; and PA1 R.sup.4 =vinyl, halovinyl, polyhalovinyl, vinyl substituted with aryl groups, alkyl groups with from 1 to 4 carbon atoms, O-alkyl groups with from 1 to 4 carbon atoms, S-alkyl groups with from 1 to 4 carbon atoms; haloalkyl, acetyl, cyclohexenyl, benzoyl, ##STR2## [wherein R.sup.5 =OH, ##STR3## Cl, SR.sup.1, OR.sup.1, N(R.sup.1).sub.2, NHR.sup.1 ], --CO--CH.sub.2 --SR.sup.1, ##STR4## Also disclosed are 1,2,4-triazole intermediates having the formula: ##STR5## wherein: X, R.sup.3 and R.sup.4 have the same meanings as indicated above. The phosphate esters are useful in combatting infestations of pests such as orthoptera, aphides, diptera, lepidoptera, coleoptera, acari, nematodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.