Mitsui Toatsu Chemicals, Incorporated

Kazutomi Ohnuma

Kenji Kodaka

Katsutoshi Kinoshita

Shirou Shiraishi

Koichi Ebihara

Michihiko Nakaya

Hirozumi Matsuno

Takeo Wakita

Nobuyuki Kawahara

Eiichi Yamada

Naoko Yasui

Takashi Fujita

Takatoshi Udagawa

Masahiko Nakamura

Kenichi Satoh

Ei-ich Yamada

A tetrahydrofuran-compound is disclosed herein which is represented by the formula (1) ##STR1## wherein each of X.sub.1 and X.sub.2 is a hydrogen atom or a methyl group, Y is a hydrogen atom or a carbonyl group substituted by a lower alkyl group (Y') having 1 to 4 carbon atoms, i.e., an acyl group (--COY'), and

Insecticidal tetrahydrofuran-compound

The present invention relates to novel (tetrahydro-3-furanyl)methylamino derivatives of the following formula (1): ##STR1## wherein the variables are defined in the specification, which are useful as insecticides.

Intermediate for furanyl insecticide

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

Furanyl insecticide

The present invention relates to novel N-vinylimidazolidine derivatives of the following formula (1), a process for producing them, an insecticide containing the derivatives as an effective ingredient, and novelintermediates. The derivatives (1) are useful as agricultural chemicals (particularly, as insecticides) in the fields of agriculture, and the intermediates are useful in various industrial fields, especially as intermediates for agricultural chemicals. ##STR1## where R.sup.1, R.sup.2, Z are as defined in the specification.

N-vinylimidazolidine derivatives insecticides containing same as an

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Mobara, Japan

Kazutomi Ohnuma