| abstract |
PURPOSE: To provide a new phenoxy phenyl sulfonyl compd. useful as a herbicide or plant growth control agent. n CONSTITUTION: This compd. is expressed by formula I {R 1 is H, halogen, CN, CF 3 ; R 2 , R 4 , R 5 are each H, halogen; R 3 is halogen, CN, CF 3 , OCF 3 , methyl sulfonyl trifuluoromethyl sulfonyl; R 6 is H, halogen, CN, NO 2 , NH 2 , CF 3 ; and A is formula II [R 7 , R 8 are each H, alkyl; R 9 is H, alkyl, cycloalkyl, phenyl, benzyl, naphthyl, naphthylfuryl, etc.), CO-R 10 (R 10 is H, NH 2 , alkyl, phenyl, naphthylfuryl, etc.), SO 2 -R 11 (R 11 is alkyl, phenyl, thienyl, etc.)]}; for example, N-(2-nitro-5-(2,6-dichloro-4-trifluoromethyl phenoxy)phenyl sulfonyl)-pyrolidine. This compd. is obtd. by reacting the phenoxybenazene sulfonyl chloride of formula III with the nitrogen compd. of formula H-A. n COPYRIGHT: (C)1992,JPO |