Dongwha Pharm. Ind. Co., Ltd.

Hee Soon Lee

Hyun S Hwang

Sung June Yoon

Dong Rack Choi

Yong Ho Chung

Dug Keun Lee

Hae Ran Yun

Jung A Lee

Sang Hun Jung

Moon Sun Lee

Chung Ha Choi

Eun Yi Moon

The present invention relates to a novel arylsulfonylimidazolone derivative represented by the following formula (I) which shows a superior antineoplastic activity in contrast to the known sulfonylurea antitumor agents as well as little side effect: ##STR1## and its pharmaceutically acceptable salt and stereoisomer, in which - -, R.sub.1, and R.sub.2 are as defined in the specification.

Arylsulfonylimidazolone derivatives as an antitumor agent

The present invention relates to a novel arylsulfonylimidazolone derivative represented by the following formula (I) which shows a superior antineoplastic activity in contrast to the known sulfonylurea antitumor agents as well as little side effect: ##STR1## and its pharmaceutically acceptable salt and stereoisomer, in which ----, R.sub.1, and R.sub.2 are as defined in the specification.

Growing community of inventors

Daejeon, South Korea

Hee Soon Lee