PROCESS FOR PRODUCING DIPHENYL-ETHER DERIVATIVES AND HERBICIDE COMPOSITIONS CONTAINING THEM AS ACTIVE AGENTS

摘要

1423376 Diphenylether derivatives ROHM & HAAS CO 13 March 1973 [14 March 1972 (2) 12 Feb 1973 (2)] 11954/73 Heading C2C The invention comprises compounds of the formula where X is hydrogen, halogen, trihalomethyl, C 1 -C 4 alkyl or cyano and (i) Y is halogen, trihalomethyl or, except where X is chlorine, hydrogen and Z is hydrogen or (ii) Y is hydrogen, halogen or trihalomethyl and Z is alkoxy, alkoxyalkoxy, hydroxyalkoxy, carboxyalkoxy, carbalkoxyalkoxy, halogen, alkylthio, alkyl, amino substituted with a dialkylcarbamoyl group, one or two alkyl groups, an alkylcarbonyl group or a carbalkoxy group, carboxy, carbalkoxy, carboxyalkyl or carbalkoxyalkyl. The compounds may be prepared by reacting a suitably substituted phenol or the potassium or sodium salt thereof with a halobenzene compound, or by introducing a substituent into a diphenyl ether. The compounds may be used as herbicides.