NOVEL CHROMENOINDOLE DERIVATIVE, PRODUCTION METHOD OF THE DERIVATIVE AND ANTICANCER AGENT INCLUDING THE DERIVATIVE

摘要

PROBLEM TO BE SOLVED: To provide a compound having excellent antitumor activity.SOLUTION: A chromenoindole derivative (A) expressed by formula (A) or a pharmaceutically allowable salt thereof is provided. In formula (A), Rrepresents a halogen, an alkyl group or an alkoxy group; n represents an integer of 0 to 4; and Rrepresents a specific substituted amino group or a cyclic amino group.