| 摘要 |
Novel light-stable pyrethrinoid pesticidal compositions comprising (a) at least one liquid vehicle, (b) at least one surface-active agent soluble in the said liquid vehicle, (c) at least one azodyestuff stabilizer selected from the group consisting of a mixture of 1-[{4-(phenylazo)-phenyl)}-azo]-3-naphthalenol and 4-[{4-(phenylazo)-phenyl}-azo]-phenol (a component of Scarlet R), 1-[4-(4-phenylazo-phenyl)-azo]-naphthalene (Red organol BS), 1-[{2-methyl-4-(2-methylphenylazo)-phenyl}-azo]-2-naphthalenol (Red Sudan IV), 1-[(2-methoxyphenol)-azo]-2-naphthaphenol (Vermillion organol); 1-[(1-naphthalenyl)-azo]-2-naphthalenol (Scarlet 2R for fat), 1-(phenylazo)-2-naphthalenol (Sudan I), 1-[(2-hydroxy-4-methyl-phenyl)-azo]-2-naphthalenol (Sudan II), 1-[{dimethyl-4-[(dimethyl)-phenyl]-azo}-phenylazo]-2-naphthalenol (Red to fat 5B), N-ethyl-1-[{4-(phenylazo)-phenyl}-azo]-2-naphthalenylamine (Red to fat 7B), 1-[{1-naphthalenyl}-azo]-2,4-benzene-diamine (Brown RR to fat), 2-[(2-methoxyphenyl)-azo]-phenol (Red to fat G), disodium 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)-azo]-1-naphthalene sulfonate (azo ruby), 4-[(4-ethoxyphenyl)-azo]-1-naphthalenol (Brown to fat B), 2,4-dihydro-5-methyl-2-phenyl-4-(phenylazo)-3H-pyrazol-3-one (Yellow to fat 3G), N,N-diethyl-4-(phenylazo)-benzeneamine (Yellow to fat GGN), 2,3-dihydro-2,2-dimethyl-6-[(4-phenylazo)-1-naphthalenyl]-azo-1H-perim idine (Black to fat HB), N-[4-phenyl)-(4-phenylamino)-1-naphthalenyl]-azo methylene-2,5-cyclohexadien-1-ylidene-N-methyl-methaniminium chloride (Blue to fat B) and 1-[{4-(phenylazo)-phenyl}-azo]-2-naphthalenol and (d) at least one ester of the formula <IMAGE> I wherein Y is selected from the group consisting of <IMAGE> in its various stereoisomeric forms and mixtures thereof, Z is alkyl of 1 to 6 carbon atoms, Y is selected from the group consisting of hydrogen, halogen, -CN, -NO3, alkyl of 1 to 4 carbon atoms and alkoxy of 1 to 4 carbon atoms, n is 0, 1, 2 or 3, W is selected from the group consisting of <IMAGE> X1 is selected from the group consisting of hydrogen, fluorine, chlorine and bromine, X2 is selected from the group consisting of fluorine, chlorine and bromine, X3 is selected from the group consisting of chlorine, bromine and iodine, X4 is a halogen and X5 is a halogen optionally other than that of X4 and due to asymetric carbon atom in W, the compounds are in the A isomer or B isomer form or mixtures thereof and R is selected from the group consisting of <IMAGE> <IMAGE> +TR <IMAGE> and benzyl optionally substituted with at least one member of the group consisting of alkyl of 1 to 4 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkenyloxy of 2 to 6 carbon atoms, alkadienyl of 4 to 8 carbon atoms, methylenedioxy, benzyl and halogens, R1 is selected from the group consisting of hydrogen and methyl, R2 is selected from the group consisting of monocyclic aryl and -CH2-C 3BOND CH, R3 is an aliphatic of 2 to 6 carbon atoms having at least one carbon-carbon insaturation, R4 is selected from the group consisting of hydrogen, -CN, CH3 and -C 3BOND CH, R5 is selected from the group consisting of chlorine and methyl, n is 0, 1 or 2, R6, R7, R8 and R9 are individually selected from the group consisting of hydrogen, chlorine and methyl and S/I indicates that the ring may be aromatic, dihydro or tetrahydro the alcoholic moiety R-OH being capable of containing one or more asymetric carbon atoms and of existing in the form of various stereoisomers and their use to combat pests. |
