Mitsui Toatsu Chemicals, Incorporated

Takatoshi Udagawa

Satoshi Numata

Kiyoshi Nakatani

Kenji Kodaka

Kengo Oda

Tsuneo Inoue

Masatoshi Gohbara

Hajime Tachibana

Shiro Shiraishi

Tsutomu Ishii

Teruhiko Toyama

Takashi Fujita

Yoichi Kawai

Sachio Yokote

Yutaka Kubota

Kazutomi Ohnuma

Akira Hosono

Masahiko Nakamura

Takeshi Imakita

Tutomu Ishii

Nakatani Kiyoshi

The present invention discloses a parasiticide comprising, as the active ingredient, at least one natural or synthetic pyrethroid type compound.

Parasiticide employing pyrethroid type compounds

Resin compositions comprising a polyolefin resin and an organic compound of the general formula (I): ##STR1## wherein X represents an oxygen atom or --CH.sub.2 -- and

Polyolefin resin compositions

The present invention relates to novel aromatic alkane derivatives represented by the following general formula (I): ##STR1## wherein Ar stands for a substituted or unsubstituted phenyl or naphtyl group, R.sup.1 stands for a methyl, ethyl or isopropyl group and R.sup.2 stands for a hydrogen atom or a methyl group, or R.sup.1 and R.sup.2 together with the carbon to which they are attached jointly represent a substituted or unsubstituted cycloalkyl group, and R.sup.3 stands for a fundamental group of an alcohol which is usually used in a form of R.sup.3 OH as to natural or synthetic pyrethroids, and also to processes for the preparation of these compounds and the uses of these compounds. These compounds of the present invention have excellent insecticidal and acaricidal activities while the toxicities of these compounds are very low.

1,4-diaryl alkane derivatives having insecticidal and acaricidal activity

The present invention relates to novel aromatic alkane derivatives represented by the following general formula (I): ##STR1## wherein Ar stands for a substituted or unsubstituted phenyl or naphthyl group, R.sup.1 stands for a methyl, ethyl or isopropyl group and R.sup.2 stands for a hydrogen atom or a methyl group, or R.sup.1 and R.sup.2 together with the carbon to which they are attached jointly represent a substituted or unsubstituted cycloalkyl group and R.sup.3, stands for a fundamental group of an alcohol which is usually used in a form of R.sup.3 OH as to natural or synthetic pyrethroids, and also to the uses of these compounds. These compounds of the present invention have excellent insecticidal and acaricidal activities while the toxicities of these compounds are very low.

Certain aryl-alkane-2-pyridyloxy-phenyl derivatives having insecticidal

The present invention relates to 2-arylethyl ether or thioether derivatives represented by the following general formula [I]: ##STR1## wherein Ar stands for an aryl group, R.sup.1 stands for straight or branched chain alkyl group of 1 to 6 carbons, R.sup.2 stands for a hydrogen atom, or a methyl or ethyl group, R.sup.3 stands for a halogen atom, or a methyl or methoxyl group, R.sup.4 stands for a hydrogen or halogen atom, or a lower alkyl or lower alkoxy group, and n is an integer of 1 or 2 with the proviso that when n is 2, the groups R.sup.4 may be the same or different, and Y stands for an oxygen or sulfur atom, and also to processes for the preparation of these ethers or thioethers and a use of these ethers or thioethers. These compounds of the present invention have excellent insecticidal and acaricidal activities while the toxicity of these compounds are very low.

2-aryl-ethyl ether derivatives and insecticidal and acaricidal agents

2-Arylpropyl ether or thioether derivatives represented by the following general formula [I]: ##STR1## wherein Ar stands for an aryl group, R stands for a methyl or ethyl group, Y stands for an oxygen or sulfur atom, and B stands for a group represented by the following formula [II]: ##STR2## or the following general formula [III]: ##STR3## wherein Z stands for an oxygen or sulfur atom or a carbonyl or methylene group, R.sup.1 stands for a hydrogen or halogen atom or a lower alkyl group or a lower alkoxy group, and n is an integer of from 1 to 5 with the proviso that when n is 2 or more, the groups R.sup.1 may be the same or different, are produced by reacting a compound represented by the following formula (V): ##STR4## with a compound represented by the following formula (VI):

Process for the preparation of 2-arylpropyl ether or thioether

A 2-fluoroethoxy-substituted benzene derivative represented by the general formula ##STR1## wherein X represents an oxygen or sulfur atom, R.sup.1 and R.sup.2 represent a hydrogen atom or a lower alkyl group, n represents 0 or 1, and A represents a group of the general formula ##STR2## in which R.sup.3 and R.sup.4 represent a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a lower haloalkyl group, a lower haloalkylthio group or a methylenedioxy group, R.sup.5 and R.sup.6 represent a hydrogen atom or a lower alkyl group, and p and m represent 0 or 1. This compound is useful as an active ingredient of insecticidal and acaricidal agents, and can be produced by reacting a compound of the general formula ##STR3## with a compound of the general formula

2-Fluoroethoxy-substituted benzene derivatives

The present invention relates to 2-arylpropyl ether or thioether derivatives represented by the following general formula [I]: ##STR1## wherein Ar stands for an aryl group, R stands for a methyl or ethyl group, Y stands for an oxygen or sulfur atom, and B stands for a group represented by the following formula [II]: ##STR2## or the following general formula [III]: ##STR3## wherein Z stands for an oxygen or sulfur atom or a carbonyl or methylene group, R.sup.1 stands for a hydrogen or halogen atom or a lower alkyl group or a lower alkoxy group, and n is an integer of from 1 to 5 with the proviso that when n is 2 or more, the groups R.sup.1 may be the same or different, and also to processes for the preparation or these ethers of thioethers and a use of these ethers or thioethers. These compounds of the present invention have excellent insecticidal and acaricidal activities while the toxicity of these compounds are very low.

Growing community of inventors

Kanagawa, Japan

Takatoshi Udagawa