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Priority to KR7403833ApriorityCriticalpatent/KR790000395B1/en
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Benzimidazole-1-carboximid acid esters(I; R1 = Me, Et, CHMe2, R2= ph, C6H4Me-3 CH2CF3, C6H3Me2-, 2-naphthyl, C6H4CI-4, C6H4CO2Et-4), useful as fungicides and insecticides, were prepd. by treatment of 2-(alkoxy carbonyl amine)-benzimidazole with R2OCN. Thus, phOCN was reacted with 2-(methoxy carbonyl amino)-benzimidazole in CHC13 for 5 hr at room temp. to give I(R1 =Me, R2=ph) 81% yield. I was effective against Rhizoctonia solani with 20mg per 1 soil.
KR7403833A1974-10-161974-10-16Process for preparation of benzimidazole-1-carboximid acid esters
KR790000395B1
(en)
Process for production of herbicides containing as active substance cyclic internal anhydrid either its free acid form or its salts and process for the production of the activ substances
(54)nitrile-substituted o-ethyl-s-n-propyl-o-vinyl-thionothiolsphosphoric acid esters, a process for their preparation and their use as insecticides or acaricides