申请人:Daicel Chemical Industries Ltd.
公开号:US04886546A1
公开(公告)日:1989-12-12
A compound of the formula (I) ##STR1## wherein (1) when R.sub.1 is a C.sub.2-11 alkyl, a lower alkenyl, a lower alkynyl, a cycloalkyl, a lower alkoxyalkyl, an aralkyl which may be substituted, a lower haloalkyl or a 5 or 6 membered heterocycle; R.sub.2, R.sub.3 and R.sub.4 are the same or different, hydrogen, a halogen, cyano, nitro, amino, a lower alkyl, a lower haloalkyl, hydroxy, a lower alkoxy, an aryloxy, carboxy, or a lower alkoxycarbonyl; R.sub.5 is hydrogen, a halogen, a C.sub.1-11 alkyl, an aryl which may be substituted, an aralkyl which may be substituted; R.sub.6 is a C.sub.1-11 alkyl, a lower alkenyl, a lower alkynyl, a cycloalkyl, a lower alkoxyalkyl, an aryl which may be substituted, an aralkyl which may be substituted, a lower haloalkyl, or a 5 or 6 membered heterocycle; or R.sub.5 and R.sub.6 may be combined to form a group of --(CH.sub.2).sub.m -- (m is 3 or 4); (2) when R.sub.1 is an aryl which may be substituted; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 have the same meanings as defined above; R.sub.6 is a C.sub.1-11 alkyl, a lower alkenyl, a lower alkynyl, a cycloalkyl, a lower alkoxyalkyl, an aralkyl which may be substituted, a haloalkyl or a 5 or 6 membered heterocycle, or R.sub.5 and R.sub.6 may be combined to form a group of --(CH.sub.2).sub.m -- (m is 3 or 4); (3) when R.sub.1 is methyl; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 have the same meanings as defined above; R.sub.6 is a C.sub.2-12 alkyl, a lower alkenyl, a lower alkynyl, a cycloalkyl, a lower alkoxyalkyl, an aryl which may be substituted, an aralkyl which may be substituted, a lower haloalkyl or a 5 or 6 membered heterocycle or R.sub.5 and R.sub.6 may be combined to form a group of --(CH.sub.2).sub.m -- (m is 3 or 4); or (4) when R.sub.1 and R.sub.6 are methyl; R.sub.2, R.sub.3 and R.sub.4 have the same meanings as defined above; R.sub.5 is a halogen, a C.sub.1-11 alkyl, an aryl which may be substituted or an aralkyl which may be substituted, which is useful as herbicide.
化合物的式子(I)##STR1## 其中(1)当R.sub.1是C.sub.2-11烷基,较低的烯基,较低的炔基,环烷基,较低的烷氧基烷基,可以被取代的芳基烷基,较低的卤代烷基或5或6个成员的杂环;R.sub.2,R.sub.3和R.sub.4相同或不同,氢,卤素,氰基,硝基,氨基,较低烷基,较低卤代烷基,羟基,较低烷氧基,芳氧基,羧基或较低烷氧羰基;R.sub.5为氢,卤素,C.sub.1-11烷基,可以被取代的芳基,可以被取代的芳基烷基;R.sub.6是C.sub.1-11烷基,较低的烯基,较低的炔基,环烷基,较低的烷氧基烷基,可以被取代的芳基,可以被取代的芳基烷基,较低卤代烷基或5或6个成员的杂环;或R.sub.5和R.sub.6可以结合形成--(CH.sub.2).sub.m--的基团(m为3或4);(2)当R.sub.1是可以被取代的芳基时;R.sub.2,R.sub.3,R.sub.4和R.sub.5具有上述定义的相同含义;R.sub.6是C.sub.1-11烷基,较低的烯基,较低的炔基,环烷基,较低的烷氧基烷基,可以被取代的芳基烷基,卤代烷基或5或6个成员的杂环,或R.sub.5和R.sub.6可以结合形成--(CH.sub.2).sub.m--的基团(m为3或4);(3)当R.sub.1是甲基时;R.sub.2,R.sub.3,R.sub.4和R.sub.5具有上述定义的相同含义;R.sub.6是C.sub.2-12烷基,较低的烯基,较低的炔基,环烷基,较低的烷氧基烷基,可以被取代的芳基,可以被取代的芳基烷基,较低卤代烷基或5或6个成员的杂环,或R.sub.5和R.sub.6可以结合形成--(CH.sub.2).sub.m--的基团(m为3或4);或(4)当R.sub.1和R.sub.6是甲基时;R.sub.2,R.sub.3和R.sub.4具有上述定义的相同含义;R.sub.5是卤素,C.sub.1-11烷基,可以被取代的芳基或可以被取代的芳基烷基,其作为除草剂有用。