HETEROCYCLIC COMPOUNDS AND ANTITUMOR AGENT CONTAINING THE SAME AS ACTIVE INGREDIENT

摘要

Heterocyclic compounds comprising an s-triazine or pyrimidine ring substituted by benzimidazole and morpholine, or pharmaceutically acceptable acid-addition salts thereof, the heterocyclic compound being represented by general formula (I) wherein X and Y represent each a nitrogen atom, or one of X and Y represents a nitrogen atom with the other representing C-R7 wherein R7 represents a hydrogen atom or a halogen atom; R1, R2, R4, R5, and R6 represent each a hydrogen atom or a C1-C6 alkyl; and R3 represents morpholino, piperidino, piperazinyl, thiomorpholino, benzimidazolyl, cyano or the like.