Nihon Bayer Agrochem, K.k.

Nihon Tokushu Noyaku Seizo K.k.

Hidenori Hayakawa

Toshio Goto

Akihiko Yanagi

Atsumi Kamochi

Toyohiko Kume

Yukiyoshi Watanabe

Shigeki Yagi

Tadao Asami

Shin-ichi Narabu

Naoko Yamaguchi

Koichi Moriya

Kozo Shiokawa

Katsuhiko Shibuya

Shinzo Kagabu

Yoshio Kurahashi

Yoshinori Kitagawa

Hiroshi Miyauchi

Ryo Watanabe

Itsuko Manabe

Compositions comprising herbicidal tetrazolinones of the formula (I) ##STR1## wherein X is chlorine or bromine, Y is hydrogen, chlorine, bromine, methyl or ethyl, and

Tetrazolinones as herbicides for use in paddy

Herbicidal 1-(3-halo-4-trifluoromethylphenyl) tetrazolinones of the formula ##STR1## wherein X represents halogen,

Herbicidal 1-(3-halo-4-trifluoromethylphenyl) tetrazolinones

This invention relates to novel pyrimidinylthioalkane derivatives of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are defined in the specification and A represents hydroxy, and B represents hydrogen or A and B together form a carbonyl group, a process for their production and a method of using said derivatives to combat unwanted plant growth.

Herbicidally active pyrimidinylthioalkane derivatives

Novel tetrazolinones of the formula (I) ##STR1## wherein X is chlorine or bromine,

Tetrzolinone herbicides

Herbicidal 1-(3,4-disubstituted phenyl)tetrazolinones of the formula ##STR1## wherein X represents halogen,

Herbidical 1-(3,4-disubstituted phenyl) tetrazolinones

Novel benzoxazines of the formula (I) ##STR1## the use of the new compounds as herbicides, and novel compounds of the formula (IX) as intermediates ##STR2## are disclosed.

Benzoxazine intermediates

Herbicidal 1-(3-halo-4-substituted phenyl)tetrazolinones of the formula ##STR1## wherein X represents halogen, Y represents isopropyl or isopropoxy, R.sup.1 represents ethyl, propyl, isopropyl or allyl, and R.sup.2 represents ethyl, propyl, isopropyl or allyl.

Herbicidal 1-(3-halo-4-substituted phenyl)tetrazolinones

The invention relates to novel acetanilides of the formula (I) ##STR1## wherein Ar represents phenyl, furyl or thienyl,

Acetanilide herbicides

Novel benzoxazines of the formula (I) ##STR1## wherein Q represents ##STR2## X represents hydrogen or fluorine; and R represents alkyl, alkenyl, alkynyl, cyclopropylmethyl, cyanoalkyl, alkoxyalkyl, or alkylthioalkyl; the use of the new compounds as herbicides, and novel compounds of the formula (IX) as intermediates ##STR3## wherein Y represents hydrogen, nitro, or amino;

Herbicidally active benzoxazines

Herbicidal 3-hydroxy-2-cyclohexen-1-ones of the formula ##STR1## wherein R.sup.1 and R.sup.2 each is hydrogen or methyl,

Herbicidal 3-hydroxy-2-cyclohexen-1-ones

Novel herbicidally active N-benzothiazolyl-2-5-dihydropyrroles of the formula ##STR1## in which R is hydrogen or an acyl group,

Novel N-benzothiazolyl-2,5-dihydropyrroles

Novel benzoxazines of the formula (I) ##STR1## wherein X is hydrogen or halogen,

Benzoxazines and use as herbicides

Novel dialkylmaleimides of the formula (I) ##STR1## and the use of the novel compounds as herbicides.

1-(1,4-benzoxazin-3-on-6-yl)-dialkylmaleimides and use as herbicides

Tetrahydroquinolin-1-ylcarbonylimidazoles of the formula ##STR1## in which n is 0, 1, 2 or 3, which possess herbicidal and fungicidal activity. The corresponding intermediates of the formula ##STR2## are also new.

Growing community of inventors

Tochigi, Japan

Hidenori Hayakawa