1-ARYL-4-ALKYL-1,2,4-TRIAZOL-5-ONES AND PROCESS FOR THE MANUFACTURE THEREOF

摘要

Compounds of the formula I in which (R)n denotes hydrogen, halogen, nitro, cyano (substd.), alkyl (substd.), alkoxy (substd.), alkylthio (substd.), phenyl (substd.), phenoxy or methylenedioxy and R1 denotes alkyl, alkoxyalkyl, dialkoxyalkyl, dialkylaminoalkyl or cycloalkyl, have insecticidal, acaricidal, fungicidal and/or herbicidal properties, and are obtained by the cyclisation of with phosgene or carbonic acid esters, and alkaline hydrolysis of the obtained.