Carbamate herbicides - contg alkyl (or oximino) carbamoyl -phenyl carbamates (or ureas) or alkoxycarbamoyl phenylureas

摘要

Weed-control agents, esp. for post-emergence use, contain a cpd (I): (where X=O or NH; R1 is opt. substd alkyl or cycloalkyl or aryl substd by halogen and/or alkyl and/or alkoxy and/or alkyl-thio and/or NO2; R2 is H or opt. substd alkyl; R3 is opt. substd alkyl or oximino (when X=O) or also alkoxy (when X=NH).