Organophosphorus anthelmintic and insecticidal compsns - - stabilized with benzimidazoles

摘要

Organophosphorus pesticidal compsns contg as stabiliser a benzimidazole of formula: (where R is 1-4 of halogen OH, NO2 alkyl, alkenyl, aralkyl, aralkenyl aryl, or heteroaryl gps connected to the nucleus by a direct bond or via an O- or S-atom; R1 is a monovalent metal or a single valency of a polyvalent metal; R2=phenyl, furyl, pyridyl, thiazolyl, isothiazolyl, oxazolyl, isoxazolyl, thiadiazolyl oxadiazolyl any of which may be substd. by 1-3 halogen, NO2, OH, alkoxy, SH, alkythio, alkyl, alkenyl, aralkyl aralkenyl or aryl gps Z is straight or branched hydrocarbon gp opt. ethylenically unsatd). the concn of benzimidazole is 0.2-5% of the wt of the organophosphorus. The compsns are insecticides and anthelmintics for veterinary use.