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AssigneeMontedison S.p.A.
InventorsFranco Gozzo, Pier M. Boschi, Angelo Longoni
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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; R.sup.2 =OR.sup.1, R.sup.1, C.sub.6 H.sub.5, NHR.sup.1, N(R.sup.1).sub.2 ; X=O, S 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 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## Also disclosed are 1,2,4-triazole intermediates having the formula ##STR3## 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.
Compounds having the formula ##STR62## wherein R.sup.1 =alkyl with from 1 to 5 carbon atoms;
O,O-diethyl-thiophosphoric ester of 1-methyl-3-.beta.,.beta.-dichlorovinyl)-5-hydroxy-1,2,4-triazole.
O,O-diethyl-thiophosphoric ester of 1-methyl-3-trichlorovinyl-5-hydroxy-1,2,4-triazole.
O,O-diethyl-thiophosphoric ester of 1-methyl-3-vinyl-5-hydroxy-1,2,4-triazole.
O,O-diethyl-thiophosphoric ester of 1-isopropyl-3-(.beta.,.beta.-dichlorovinyl)-5-hydroxy-1,2,4-triazole.
O,O-diethyl-thiophosphoric ester of 1-n.butyl-3-(.beta.,.beta.-dichlorovinyl)-5-hydroxy-1,2,4-triazole.
O,O-diethyl-thiophosphoric ester of 1-methyl-3-(.beta.,.beta.-dibromovinyl)-5-hydroxy-1,2,4-triazole.
O,O-diethylthiophosphoric ester of 1-methyl-3-tribromovinyl-5-hydroxy-1,2,4-triazole.
O,O-diethylthiophosphoric ester of 1-methyl-3(.alpha.-bromo-.beta.,.beta.-dichlorovinyl-5-hydroxy-1,2,4-triaz ole in admixture with O,O-diethylthiophosphoric ester of 1-methyl-3-tribromovinyl-5-hydroxy-1,2,4-triazole, in the proportion of about 1:1 by weight.
O,O-dimethylthiophosphoric ester of 1-methyl-3-(.beta.,.beta.-dichlorovinyl)-5-hydroxy-1,2,4-triazole.
O,O-diethyl-thiophosphoric ester of 1-methyl-3-(.beta.,.beta.-dimethylvinyl)-5-hydroxy-1,2,4-triazole.
O,O-diethyl-thiophosphoric ester of 1-methyl-3-(.beta.-methylvinyl)-5-hydroxy-1,2,4-triazole.
Dependencies are inferred from the claim text.