摘要:
Phenylcyclopropane carboxylic acid derivatives having the formula ##STR1## wherein X represents hydrogen or a halogen atom, C.sub.1-5 alkyl group C.sub.1-5 alkoxy group, trifluoromethyl, cyclopropyl, tri-lower alkylsilyl, lower alkylthio or cyano group; Y represents hydrogen atom or cyano group; and R represents ##STR2## are novel compounds which are useful as insecticides and acaricides.
摘要:
Insecticidal compounds having the formula ##STR1## wherein X and Y are the same or different and represent a hydrogen or a halogen atom, methyl group, a lower alkoxy group, trifluoromethyl group, phenoxy group or X and Y form ##STR2## group except both of X and Y are hydrogen atoms.
摘要:
Phenylcyclopropane carboxylic acid derivatives having the formula (I) ##STR1## wherein X represents a C.sub.2 -C.sub.10 straight or branched alkyl group, are novel compounds having excellent acaricidal effect.
摘要:
Pyrazoline derivatives useful as insecticides having the formula ##STR1## wherein X represents a hydrogen atom or a halogen atom; Y represents a halogen atom, a trifluoromethyl group or --A--R'; R represents a C.sub.1-10 alkyl group, a lower alkenyl group or a lower alkynyl group; and A represents an oxygen atom, a sulfur atom, a sulfinyl group or a sulfonyl group and R' represents a halogen-substituted lower alkyl group.
摘要:
Fluorine substituted pyridine methyl esters having the formula ##STR1## wherein R represents ##STR2## in which X is chlorine or difluoromethoxy; Y is chlorine or tert-butyl; and Z is a halogen atom, are novel compounds which are useful as insecticides and acaricides.
摘要:
This invention relates to a heterocyclic ether or thioether linkage containing urea compounds of the following formula I: ##STR1## wherein B denotes an oxygen atom or a sulfur atom, A denotes CH or a nitrogen atom, X.sup.1 and X.sup.2 denote independently of each other hydrogen atom, halogen atom, trifluoromethyl group or nitro group, Y and Z denote independently of each other hydrogen atom or halogen atom, and P and Q denote independently of each other hydrogen atom, halogen atom, alkoxyl group or alkyl group, a process for producing the same and an insecticide containing the same.
摘要:
Pyrazoline derivatives useful as insecticides having the formula ##STR1## wherein R.sup.1 represents hydrogen atom, a lower alkyl group, (CH.sub.2).sub.n CN group, (CH.sub.2).sub.n OR group, phenyl group or a halogen-substituted phenyl group; R.sup.2 represents hydrogen atom or methyl group; Y represents hydrogen atom or chlorine atom; X represents oxygen atom, sulfur atom, sulfinyl or sulfonyl group; R.sup.3 represents a halogen-substituted lower alkyl group; and n is integer 1 to 3 and R represents a lower alkyl group.
摘要:
Pyrazoline derivatives having the formula ##STR1## wherein R.sup.1 represents hydrogen atom, a lower alkyl group, phenyl group or a halogen-substituted phenyl group; R.sup.2 represents hydrogen atom or phenyl group which can have halogen substituents; X represents oxygen or sulfur atom; Y and Z respectively represent hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, nitro-group, trifluoromethyl group, a lower alkylthio group, an acyl group, nitrile group or a lower alkyl sulfonyl group.
摘要:
A process for producing 6-phenoxypicolinic aldehydes, which comprises reacting a 2-halogeno-6-phenoxypyridine represented by the general formula I: ##STR1## where X is a halogen atom, Y is independently an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4 carbon atoms substituted by a halogen atom, an alkylthio group of 1 to 4 carbon atoms, a trifluoromethyl group, a fluorine atom or a chlorine atom, Z is a hydrogen atom or a fluorine atom, and n is an integer of 0 to 2, with magnesium metal, and then with a formylating reagent. These compounds are used as intermediates for the synthesis of insecticides.