Sds Biotech K.k.

Showa Denko Kabushiki Kaisha

Showa Denko K.k.

Tetsuo Tsuruya

Hiroshi Kubo

Yukihiro Nakamura

Yuki Yamaguchi

Nansho Seki

Satoshi Yamanaka

Kazuhiro Kojima

Shunji Hayashi

Toshiya Kimata

Kiyoshi Sakuma

Shigehiro Chaen

Hidejiro Yokoo

A triazole compound having the formula (I): ##STR1## wherein R.sub.1 and R.sub.2 represent a hydrogen atom, a lower alkyl group or a dialkylcarbamoyl group, or R.sub.1 and R.sub.2 may be bonded to form an alkylene group, an oxyalkylene group or a thioalkylene group which may be substituted with a lower alkyl group, R.sub.3 represents a hydrogen atom or CONRR' where R and R' represent an alkyl group, an alkenyl group, an alkynyl group, a cyanoalkyl group or a phenyl group or benzyl group which may be substituted, or R and R' may be bonded to form an alkylene group, an oxyalkylene group or a thioalkylene group which may be substituted with a lower alkyl group; R.sub.4 represents ##STR2## where R.sub.5 represents a hydrogen atom, a lower alkyl group or a phenyl group, R.sub.6 represents a lower alkyl group, or R.sub.5 and R.sub.6 may be bonded to form an alkylene group, with a proviso that R.sub.1 and R.sub.2 cannot be dialkylcarbamoyl groups at the same time, and an insecticide containing the triazole compound as an active component.

Triazole compound and insecticide composition containing the same

A pyrazole derivative represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each represents a lower alkyl group, which has herbicidal activity, is disclosed. A process for preparing the pyrazole derivative of the formula (I) is also disclosed. A herbicide containing as an active ingredient the pyrazole derivative of the formula (I) is further disclosed as is a method for using the herbicide.

Herbicidal N-(5-t-butyl-3-pyrazolyl) carbamates

A novel pyrazole derivative represented by the formula [I]: ##STR1## wherein X and Y are defined in the specification, which has a herbicidal activity, is disclosed. A process for preparing the pyrazole derivative of the formula [I] is also disclosed. A herbicide containing as an active ingredient the pyrazole derivative of the formula [I] is further disclosed.

Herbicidal 5-t-butyl-3-(N-alkanoylamino)pyrazoles

A novel pyrazole derivative represented by the formula [I]: ##STR1## wherein X and Y are defined in the specification, which has herbicidal activity, is disclosed. A process for preparing the pyrazole derivative of the formula [I] is also disclosed. A herbicide containing as an active ingredient the pyrazole derivative of the formula [I] is further disclosed as is a method for using the herbicide.

Herbicidal 5-t-butyl-3-pyrazalylcarbamates and ureas

A process for preparing phenylisopropylurea derivatives of the formula ##STR1## which comprises reacting a cumyl halide of the formula ##STR2## with urea or a urea derivative of the formula

Process for preparing phenylisopropylurea derivatives

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Tokyo, Japan

Tetsuo Tsuruya