Nippon Kayaku Kabushiki Kaisha

Osamu Yamada

Fumio Futatsuya

Mikio Yanagi

Taizo Nakagawa

Kaoru Ohmori

Shuichi Ishida

Shizuo Shimano

Yutaka Watanabe

Iwao Tejima

Atsuhiko Shida

Toshiyuki Suzuki

Shinichi Kobayashi

Hiroshi Yamamoto

Eiichi Tanaka

Seiji Mochizuki

Kenji Kobayashi

Mikio Saito

Akira Kurozumi

Kensaku Ito

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

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

A compound of the formula: ##STR1## wherein Z is ##STR2## wherein R.sub.4 is lower alkyl, X and Y are oxygen or sulfur and n is an integer of 3 to 6, R.sub.1 is hydrogen or halogen, R.sub.2 is halogen and R.sub.3 is hydrogen or C.sub.1 -C.sub.8 -alkyl which may have lower alkoxy; a herbicidal composition containing said compound as an effective component; a method for killing weeds using said compound; and processes for the production of said compound, are disclosed hereinafter.

1H[1,2,4]-Triazolo[1,2-a]pyridazine-1,3-diones useful as herbicides

A compound of the formula: ##STR1## wherein R.sub.4 is lower alkyl, X is oxygen or sulfur, and n is integer of 3 or 4; R.sub.1 is hydrogen or halogen; R.sub.2 is halogen; R.sub.3 is hydrogen or C.sub.1 -C.sub.8 -alkyl which may have lower alkoxy; a herbicidal composition containing said compound as an effective component; a method for killing weeds using said compound; and processes for the production of said compound, are disclosed hereinafter.

Heterocyclic compound and a herbicidal composition containing said

A new N-substituted tetrahydroisophthalimde derivative represented by the formula: ##STR1## Wherein R.sub.1 and R.sub.2 are hydrogen or halogen, R.sub.3 is hydrogen or lower alkyl and R.sub.4 is alkyl which may be substituted by halogen or lower alkoxy, and preparation methods thereof and herbicidal composition comprising one or more of said derivatives as active ingredients, is disclosed.

N-Substituted-tetrahydroisophthalimide derivatives

A compound represented by the formula: ##STR1## wherein R.sub.1 is hydrogen or alkyl-carbonyl wherein the alkyl has 1 to 6 carbon atoms and R.sub.2 is alkyl having 1 to 18 carbon atoms or phenyl and use thereof as fungicide.

2-Hydroxy benzamide derivatives and use thereof as fungicides

New 4-alkylsulfonyloxyphenyl N-alkylthiolcarbamates of the formula ##STR1## wherein each of R.sub.1 and R.sub.2 is a lower alkyl having from 1 to 6 carbon atoms and X is hydrogen, chlorine or methyl. The compounds have excellent effect on the prevention of the soil born plant diseases.

4-Alkylsulfonyloxyphenyl N-alkylthiolcarbamates and use thereof as

New phenyl thiol carbanilide derivatives of the present invention are represented by the formula ##STR1## where X represents a lower alkylsulfonyl, a lower alkoxycarbonyl, a N-lower alkylcarbamoyl, a lower alkylcarbonyl or an O,O-dilower alkyl thiophosphonyl, Y represents hydrogen, chlorine, bromine or a lower alkyl, Z represents hydrogen, fluorine, chlorine, bromine, a lower alkyl, a lower alkoxy or trifluoromethyl and m represents 1 or 2. The compounds have excellent fungicidal activity against fungi which cause diseases of plants.

Phenyl thiol carbanilide derivatives, method for the preparation thereof

Novel plant growth regulants of the formula: ##SPC1## Wherein R.sub.1 and R.sub.2, which may be the same or different, each represent hydrogen atoms or lower alkyl groups, R.sub.3 is a lower alkyl group or a chlorine atom and R.sub.4 is a lower alkyl group or an allyl group.

Growing community of inventors

Ageo, Japan

Osamu Yamada