摘要:
A pyridine derivative having the formula: ##STR1## wherein one of A, B, D and E is oxygen, sulfur, --SO--, --SO.sub.2 --, --NR.sup.3 --, ##STR2## or .dbd.CH-- with the rest being all carbon atoms; X is halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkylthio, C.sub.1 -C.sub.4 alkoxycarbonyl, C.sub.1 -C.sub.4 alkylthioalkyl, tetrahydrothiopyranyl, hydroxyl, CF.sub.3, phenyl or pyridyl; n is an integer of from 0 to 6,; W is oxygen or sulfur; R is hydrogen, di-lower alkylimino, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, C.sub.2 -C.sub.5 alkynyl, C.sub.4 or C.sub.5 oxacycloalkyl, C.sub.2 -C.sub.5 mono-, di- or tri-haloalkenyl, C.sub.2 -C.sub.5 haloalkynyl, glycidyl, furfuryl, alkylthioalkyl, C.sub.3 -C.sub.6 cycloalkyl or a cation R.sup.1 is C.sub.1 -C.sub.4 alkyl, R.sup.2 is C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.6 cycloalkyl, or R.sup.1 and R.sup.2 together with the adjacent carbon atom, form C.sub.3 -C.sub.6 cycloalkyl; and R.sup.3 is hydrogen or C.sub.1 -C.sub.3 alkyl.
摘要:
Provided are a pyridine derivative represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represent a hydrogen atom, a C.sub.1-6 alkyl group, a C.sub.1-4 haloalkyl group, a C.sub.1-4 alkoxy group, a cyano group, a nitro group or a halogen atom, Qa represents a phenyl, pyrazolyl or pyridyl which may be substituted, Qb represents an azole, and X represents oxygen, sulfur or N-R.sup.4, R.sup.4 represents hydrogen or an alkyl group, and an agricultural chemical containing the same, particularly a herbicide.
摘要:
There are disclosed a compound formula (I): ##STR1## wherein R.sup.1 represents a chlorine atom or a bromine atom; R.sup.2 represents methyl or ethyl; and X represents methyl or methoxy; a herbicidal composition containing the same as an active ingredient; and a method of use of the compound represented by formula (I) for controlling the growth of weeds without harm to crop plants in the same location.
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:
A pyrazole derivative represented by the general formula (1a) or (1b): whereinR.sup.1 represents a hydrogen atom or a pesticidally acceptable protecting group; R.sup.2 and R.sup.3 represent a phenyl, 1-naphthyl or 2-naphthyl group, or a 5-6 membered heterocyclic ring and the like; R.sup.4 represents a hydrogen or halogen atom, or a alkyl, alkoxy or alkylthio group; and a herbicidal composition containing the pyrazole derivative.
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.