Insecticidal O-pyrazolyl (N,N)-di:methyl-carbamate derivs. - prepd. from 3-substd.-5-hydroxy-pyrazole and di:methyl carbamic acid chloride

摘要

O-Pyrazolyl esters of N, -N-dimethylcarbamic acid of formula (I) are new. In (I) R is H, alkyl, cyanoalkyl or phenyl and R1 is alkoxy or alkylthio. (I) are insecticides which have low toxicity to warm blooded animals and plants and may be used to protect animals, plants and stored goods and used in hygiene and veterinary medicine. Specific (I) is O-(1-methyl-3-n-propylthiomethyl-pyrazol-5-yl)-N, N-dimethyl carbamate.