Kureha Kagaku Kogyo Kabushiki Kaisha

Youichi Kanda

Masato Arahira

Tsutomu Sato

Susumu Shimizu

Yoshikazu Kubota

Hisashi Kanno

Shiro Yamazaki

Takafumi Shida

Keigo Satake

Katsumichi Aoki

Tsuneaki Chida

A 2-(unsubstituted or substituted) (benzyloxy or phenoxy)-4-substituted-6-(meta-substituted phenoxy)pyridine represented by the formula (I): ##STR1## wherein R represents C.sub.1 -C.sub.4 alkoxy or cyano; each X, which may be identical or different if n is greater than 1, represents a halogen, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkythio, C.sub.3 -C.sub.5 alkenyloxy, or C.sub.3 -C.sub.5 alkynyloxy; Y represents trifluoromethyl, difluoromethoxy, trifluoromethoxy, or trifluoromethylthio; m represents an integer of 0 or 1; and n represents an integer of 0 to 5, which is useful as a herbicide.

2-(unsubstituted or substituted) (benzyloxy or

A 2-phenoxy-6-thienylmethyloxypyridine derivative represented by the formula (I): ##STR1## wherein R represents hydrogen, a halogen, cyano, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkylamino, or di (C.sub.1 -C.sub.4 alkyl) amino;

2-phenoxy-6-thienylmethyloxypyridine derivative and herbicidal

Disclosed herein is a derivative of tetrahydrobenzothiazolyl-1,3,5-triazinone represented by the formula (I): ##STR1## wherein R is a chemical group selected from the group consisting of 1-phenylethyl, 1-methylpropyl, 2-methylpropyl, allyl, 2-propynyl, cyclopropyl, cyclopentyl, phenyl, ethoxycarbonylmethyl, 2-tetrahydrofurylmethyl, 2-acetoxyethyl, 2-chloroethyl, 2-cyanoethyl, 2-hydroxyethyl, 2-methoxyethyl, 2,2-dimethoxyethyl, 2-(propionyloxy)ethyl, 2-(ethoxycarbonyl)ethyl, 2-(4-chlorobenzoyloxy)ethyl, 1-hydroxymethyl)propyl, 3-hydroxypropyl, 3-methoxypropyl, 3-acetoxypropyl, 3-morpholinopropyl and 3-(2-methylpiperidino)propyl, and a herbicidal composition containing the derivative as an active ingredient thereof.

Herbicidal tetrahydrobenzothiazolyl-1,3,5-triazinone derivatives and

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Iwaki, Japan

Youichi Kanda