Kumiai Chemical Industry Co., Ltd.

Ihara Chemical Industry Co., Ltd.

Ihara Chemical Industries Co., Ltd.

Kumiai Chemical Industries Co., Ltd.

Michiya Hirata

Yasuo Nakamura

Keiji Toriyabe

Masafumi Matsuzawa

Atsuhiko Ikeda

Masahiro Miyazaki

Nobuyuki Ohba

Akira Takeuchi

Yuji Yamada

Kenji Matsunari

Hiroyuki Karino

Pyridine derivative herbicidal composition containing the same, and

The present invention provides a novel pyridine derivative having the following general formula and its salt: ##STR1## wherein R is a hydrogen atom, a hydroxyl group, an alkoxy group, an alkoxyalkoxy group, and derivatives;

Pyridine derivatives, herbicidal composition containing the same, and

A cyclic amide compound of the formula: ##STR1## wherein X is a hydrogen atom, a halogen atom, a lower alkyl group, a haloalkyl group, a lower alkoxy group, a haloalkoxy group, a lower alkylthio group or a nitro group; Y is a hydrogen atom, a halogen atom, an alkykl roup, a cycloalkyl group, an alkenyl group, an alkylnyl group, a haloalkyl group, a phenyl group, an alkoxy group, a cycloalkoxy group, a cycloalkylalkoxy group, an alkenyloxy group, an alkynloxy group, a benzyloxy group, a phenoxy group, a haloalkoxy group, a lower alkoxy-lower alkoxy group, a cyanoalkoxy group, an alkylthio group, an alkenylthio group, an alkynylthio group, a benzylthio group, a phenylthio group, ##STR2## (wherein W is an oxygen atom or a sulfuratom, R.sup.3 is a hydrogen atom or an alkyl group and R.sup.4 is an alkyl group), ##STR3## (wherein each of R.sup.5 and R.sup.6 is a hydrogen atom or a lower alkyl group), an alkylsulfonyl group, ##STR4## (wherein R.sup.5 and R.sup.6 are as defined above an alkylcarbonyl group, an alkoxy carbonyl group, a hydroxy carbonyl group, a nitro group, a cyano group or a hydroxyl group; R is a hydrogen same or different is an alkyl group, or R.sup.1 and R.sup.2 together with the adjacent carbon atom form a ring; m is 0 or 1; n is an integer of from 1 to 5; and k is an integer of 1 or 2.

1,2,5,6-Tetrahydropyridine-2-one compounds which are useful herbicides

A cyclic amide compound of the formula: ##STR1## wherein X is a hydrogen atom, a halogen atom, a lower alkyl group, a haloalkyl group, a lower alkoxy group, a haloalkoxy group, a lower alkylthio group or a nitro group; Y is a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a haloalkyl group, a phenyl group, an alkoxy group, a cycloalkoxy group, a cycloalkylalkoxy group, an alkenyloxy group, an alkynyloxy group, a benzyloxy group, a phenoxy group, a haloalkoxy group, a lower alkoxy-lower alkoxy group, a cyanoalkoxy group, an alkylthio group, an alkenylthio group, an alkynylthio group, a benzylthio group, a phenylthio group, ##STR2## (wherein W is an oxygen atom or a sulfur atom, R.sup.3 is a hydrogen atom or an alkyl group and R.sup.4 is an alkyl group), ##STR3## (wherein each of R.sup.5 and R.sup.6 is a hydrogen atom or a lower alkyl group, an alkylsulfonyl group, ##STR4## (wherein R.sup.5 and R.sup.6 are as defined above), an alkylcarbonyl group, an alkoxy carbonyl group, a hydroxy carbonyl group, a nitro group, a cyano group or a hydroxyl group; R is a hydrogen same or different is an alkyl group, or R.sup.1 and R.sup.2 together with the adjacent carbon atom form a ring; m is 0 or 1; n is an integer of from 1 to 5; and k is an integer of 1 or 2.

Pyrrolin-2-one compounds which are useful as herbicides

Growing community of inventors

Kashiwa, Japan

Michiya Hirata