摘要:
Pyrazole derivatives, preparations thereof, selective herbicidal compositions containing said derivatives and the use of said derivatives are provided. The pyrazole derivatives having selective herbicidal activity are represented by the formula I: ##STR1## wherein, A denotes a straight or branched lower alkylene or lower alkylidene group; X denotes a halogen atom, nitro group, a lower alkyl group, a lower haloalkyl group, a lower alkoxy group, a lower haloalkoxy group, a lower alkenyl group, phenyl group, cyano group, phenoxy group, a lower alkoxycarbonyl group, an aliphatic or aromatic acyl group, methanesulfonyloxy group or group ##STR2## and n is 0 or an integer of 1 to 5, said Xs being the same or different when n is an integer of 2 to 5; and Y denotes a halogen atom, a lower alkyl group, nitro group, phenyl group, a lower alkoxy group or trifluoromethyl group and m is in integer of 1 to 3, said Ys being the same or different when m is 2 or 3.
摘要:
A compound represented by the general formula (I) and a salt thereof: ##STR1## wherein: Rf represents a (C.sub.1 -C.sub.4)haloalkyl group; X.about.Y represents N.dbd.N or CH.dbd.N or the like; A represents a nitrogen atom or CH; Z represents an oxygen or sulfur atom; Rg represents a hydrogen or halogen atom and the like; R1, R2, R3, R4 and R5 are each independently represent a hydrogen or halogen atom or a nitro or cyano group or the like.
摘要翻译:由通式(I)表示的化合物及其盐:其中:R f表示(C 1 -C 4)卤代烷基; X差异Y表示N = N或CH = N等; A表示氮原子或CH; Z表示氧或硫原子; R g表示氢或卤素原子等; R 1,R 2,R 3,R 4和R 5各自独立地表示氢或卤素原子或硝基或氰基等。
摘要:
Disclosed are a pyrazolesulfonamide derivative represented by Formula (I): ##STR1## wherein B, D, Q, E, W and G have the same meaning as defined in the specification,a process for its production and a herbicide containing it.
摘要:
There is disclosed imidazolesulfonamide derivatives represented by the general formula (I): ##STR1## wherein Q, m, R, B, D and T represent a group as specified in the specification andherbicides containing the same as an active ingredient.
摘要:
Pyrazole derivatives of the formula I: ##STR1## wherein R represents a lower alkyl group or a lower alkenyl group atoms which may be substituted by halogen atom,X represents a halogen atom, a lower alkyl group, nitro group, cyano group, a lower alkylsulfonyl group or trifluoromethyl group,n is an integer of 2 to 4,Q represents hydrogen atom; an aralkyl group which may be substituted by halogen atom, nitro group, cyano group or a lower alkyl group; benzenesulfonyl group which may be substituted by a lower alkyl group or halogen atom; benzoyl group which may be substituted by a lower alkyl group or halogen atom; phenacyl group which may be substituted by a lower alkyl group or halogen atom; a lower alkyl group which may be substituted by halogen atom; a lower alkenyl group which may be substituted by halogen atom; or a lower alkynyl group,and a method for preparation of said derivatives, a selective herbicidal composition containing said derivatives as active ingredient,as well as a method for controlling weeds using said derivatives.
摘要:
The present invention provides novel compounds which are intermediates in the production of the compounds of the formula (I). These novel intermediates have the following general formula ##STR1## wherein Z is NH.sub.2 or chlorine, R.sup.1 is chlorine or bromine and R.sup.2 is methyl or ethyl.