Nippon Kayaku Kabushiki Kaisha

Kenji Kobayashi

Fumio Futatsuya

Mikio Yanagi

Shoichi Kato

Osamu Yamada

Hisabumi Kobayashi

Katuhiko Hibi

Shuji Kawada

Disclosed is a compound exhibiting herbicidal activity of the formula: ##STR1## wherein R.sup.1 is hydrogen, halogen or methyl, R.sup.2 is hydrogen, halogen or lower alkyl, R.sup.3 is lower alkyl which may be substituted by halogen or methylsulfonyl, benzyl or phenyl which may be substituted by halogen or nitro, R.sup.4 is hydrogen; lower alkyl which may be substituted by carboxy or lower alkoxycarbonyl; lower alkenyl; lower alkynyl; methylsulfonyl or benzyl which may be substituted by halogen, X is hydrogen, halogen or C.sub.1 -C.sub.2 -alkyl, Y is C.sub.1 -C.sub.2 -alkyl, X may make --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.4 -- together with Y, W is halogen.

Herbicidal 5-halo-1-[5-(N-substituted sulfonylamino)phenyl]pyrazole

New herbicidal N-substituted-.DELTA..sup.1 -tetrahydrophthalimide derivatives represented by the formula: ##STR1##

N-substituted-.DELTA..sup.1 -tetrahydrophthalimide derivatives

Disclosed herein are a novel compound, 3-n-propylsulfonylphenyl 4'-trifluoromethylphenyl ether and a herbicide composition containing the same as an active ingredient.

Novel diphenyl ether derivative and herbicidal composition containing

Growing community of inventors

Ageo, Japan

Kenji Kobayashi