2-Nitrophenylhydrazines

Abstract

Abstract 2-Nitrophenylhydrazines of the formula WHEREIN X1 represents nitro, halogeno or trifluoromethyl, X2 represents hydrogen halogen, trifluoromethyl, lower alkyl, carbamyl, lower alkylsulfonyl, lower alkylsulfonamido, lower alkyl carbamyl, lower alkylcarbazyl, carboxyl, lower alkoxycarbonyl, nitro, or cyano, EACH OF R1 and R2 is lower alkyl or lower alkoxy-lower alkyl, or R1 and R2 taken together with the nitrogen atom to which they are linked, represent piperidino, hexamethylenimino, morpholino, or 4-methylpiperazino, and R3 represents hydrogen or lower alkyl, WITH THE PROVISO THAT NO MORE THAN ONE OF X1 and X2 may represent nitro, are herbicidally active compounds. They are toxic to a wide variety of weed species but, at the same time, are not harmful to desirable plant growth. A method for controlling undesirable plants using these compounds and compositions containing these compounds as active ingredients are also disclosed herein.

Inventors

• 👤 Merrill Wilcox

Bibliographic Details