Alkyl substd 4-nitropyridine and 4-nitroquinoline n-oxides - as herbicidal agents

摘要

Herbicidal agents consist of substd. 4-nitropyridine- and 4-nitroquinoline-N-oxides of general formula: where R1, R11 and R4 = H or Me, and R3 = Et or (R3 + R4) may form part of a fused benzene ring (thus forming a quinoline deriv. Prepn. is by H2O2 oxidn. of the 4-nitropyridine or quinoline cpd.