Patent Number: 7,612,213

Title: Compound having antitumor activity and process for producing the same

Abstract: A compound represented by the general formula (I): (I) wherein R represents linear, branched, or cyclic alkyl or aryl; a process for producing the compound; and an antitumor agent containing the compound as an active ingredient. ##STR00001##

Inventors: Osada; Hiroyuki (Wako, JP), Kakeya; Hideaki (Wako, JP), Hayashi; Yujiro (Tokyo, JP)

Assignee: Riken

International Classification: C07D 207/00 (20060101); C07D 209/32 (20060101); C07D 303/38 (20060101); C07D 491/02 (20060101)

Expiration Date: 1/03/02017