Process for the preparation of new amides of N - tiadiazolil acid - (2) - carboxilico ciclicas herbicide are the basis of the same composition process for preparation of such a composition process for combating erVas weeds and application of new compounds.

摘要

Novel cyclic N-thiadiazolyl-(2)-carboxylic acid amide compounds of the formula:PPWHEREINPPR is alkyl, haloalkyl, alkylthio, alkylsulfonyl or alkoxy, andP PN IS 1 OR 2, PPDISPLAY STRONG HERBICIDAL PROPERTIES.