| abstract |
A compound of the formula (I)n or 1-oxide or salt thereof, nwherein 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; nR₂, 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; nR₇ 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; nR₈ 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. |