4-HALOGEN-N-PHENYL-3-PYRIDINE-CARBOXAMIDE COMPOUNDS

摘要

A compound of the formula (I) (?) or 1-oxide or salt thereof, wherein R1 is a C1-11 alkyl group, a lower alkenyl group, a phenyl or group which may be substituted, an aralkyl group whose nucleus may be substituted, a haloalkyl or a 5- or 6-membered; heterocycle group; R2, R3, R4, R5 and R6 are, the same or different, hydrogen atom, a halogen atom, cyano group, nitro group, amino group, a lower alkyl group, a lower haloalkyl group, hydroxy group, a lower alkoxy group, an aryloxy group, carboxy group or a lower alkoxycarbonyl group; R7 is hydrogen atom, a halogen atom, a lower alkyl group, a phenyl group which may be substituted, an aralkyl group whose nucleus may be substituted, a lower alkenyl group, a lower alkynyl group, a lower alkoxy group or a haloalkyl group; R8 is a C1-11 alkyl group, a lower alkenyl group, a lower alkynyl group, a cycloalkyl group, a lower alkoxyalkyl group, a lower alkylthioalkyl group, a phenyl group which may be substituted, an aralkyl group whose nucleus may be substituted, a haloalkyl group or a 5 or 6 membered heterocycle group; or R7 and R8 may be combined to form a group of -(CH2)m- (m is 3 or 4); X is a halogen atom, which can be used as herbicidal compositons.