Abstract:
PURPOSE: A hexahydro-1,2-benzisoxazol derivative is excellent in weeding activity and innoxious to paddy rice. CONSTITUTION: A hexahydro-1,2-benzisoxazol derivative represented by the following formula, wherein Xn is a hydrogen, a C1-C3 alkyl group, a C2-C4 alkenyl group, a C2-C4 alkynyl group, a C1-C3 alkoxyl group, a C1-C3 haloalkyl group, a C1-C3 thioalkyl group, a C1-C3 alkylsulfenyl group, a C1-C3 alkylsulfonyl group, a halogen group, a nitro group, a nitrile group, or a composite substituent thereof; Yn is a hydrogen, a C1-C6 alkyl group, a halogen group, a nitro group, a nitrile group, or a composite substituent thereof; Yn is a hydrogen, a C1-C3 alkyl group, a halogen group, a nitro group, a nitrile group, or a composite substituent thereof; and R is a hydrogen or a methyl group.
Abstract:
3-(Aminooxoacetyl)-2-(2-imidazoline-2-yl) pyridine derivs. and their salts of formula (I) are new. In (I), R1=C1-4 alkyl; R2=C1-4 alkyl, C3-5 cycloalkyl or C1-4 alkyl opt. substd. by 1-4 F atoms; R3=H, C1-3 alkyl opt. substd. C2-4 alkenyl or C2-4 alkynyl; R4=R3 or phenyl, benzyl, pyridyl, furanyl, thiophenyl, benzofuranyl, dihydrobenzofuranyl, benzothiophenyl, indolyl, indolinyl, opt. Substd. or R3 and R4 together may form a 3-7 membered ring contg. 0-3 double bonds, or 0-3 O, N or SOn (n = 0- 2); W=O or S; X=H, C1-4 alkyl, C1-4 alkoxy or halogen; Y and Z=H, halogen, C1-6 haloalkyl or C1-6 alkylamino. Cpds. (I) are herbicides or plant growth modulators.