wherein R is lower alkyl, lower alkenyl, lower alkynyl, lower alkoxy(lower)alkyl, halo(lower)alkyl or halo(lower) alkenyl, X is chlorine or bromine, and Y is methyl optionally substituted with halogen, which is useful as an active ingredient of herbicides.
wherein R is an alkyl group, an alkenyl group, an alkynyl group, a haloalkyl group, a haloalkenyl group or an alkoxy-alkyl group, X is a hydrogen atom, a halogen atom, a methyl group optionally substituted with mono or poly halogen atoms or an ethyl group optionally substituted with mono or poly halogen atoms and Y is a hydrogen atom or a methyl group. Said compounds show a high herbicidal potency against undesired weeds.
wherein R 1 is a hydrogen atom, a C 1 -C 5 alkyl group, a C 3 -C 4 alkenyl group, a C 3 -C 4 alkynyl group, a C 1 -C 4 haloalkyl group, a C 3 -C 4 haloalkenyl group, a C 3 -C 4 haloalkynyl group, a C 1 -C 2 alkoxy(C 1 -C 2 )alkyl group or a C 1 -C 2 -alkoxy(C1-C 2 )-alkoxy (C 1 -C 2 )alkyl group, R 2 and R 3 are, the same or different, each a hydrogen atom, a halogen atom, a C 1 -C 3 alkyl group or a phenyl group, X is a hydrogen atom, a chlorine atom or a fluorine atom and n is an integer of 0 or 1, which is useful as a herbicide.
摘要:
a 2,4-dihalo-5-nitrophenyl-4,5,6,7-tetrahydro-2H-indazole compound of the formula: wherein X is a chlorine atom or a bromine atom and Z is a chlorine atom or a methyl group, which is an intermediate useful in the production of certain 2-substituted phenyl-4,5,6,7-trtrahydro-2H-indazoles having herbicidal activity.
摘要:
Described are compounds of the formula: wherein R is a C 1 -C 5 alkyl group, a C 3 -C 5 alkenyl group, a C 3 -C 5 alkynyl group or a C 3 -C 7 cylcoalkyl group, which are useful as herbicides.
wherein R 1 is a hydrogen atom or a methyl group, R 2 is a C 1 -C 5 alkyl group, a C 3 -C 4 alkenyl group, a C 3 -C 4 alkynyl group or a C 1 -C 4 alkoxymethyl group, X is a hydrogen atom or a fluorine atom and Y is an oxygen atom or a sulfur atom, which is useful as a herbicide.
摘要:
A compound of the formula: wherein R is a hydrogen atom, a C 1 -C 4 alkoxy group, a C 1 -C 4 alkenyloxy group, a C 3 -C 4 alkynyloxy group, a C 1 -C 4 alkylthio group, a dichlorocyclopropylmethoxy group or a methyldichlorocyclopropylmethoxy group, X is a chlorine atom or a bromine atom and Y is a hydrogen atom, a fluorine atom or a chlorine atom, which is useful as a herbicide.