The present invention relates to a pyrimidine compound or a pharmaceutically acceptable salt thereof represented by the following formula [I]
wherein each symbol is as defined in the specification and a method of therapeutically or prophylactically treating an undesirable cell proliferation, comprising administering such a compound. The compound of the present invention has superior activity in suppressing undesirable cell proliferation, particularly, an antitumor activity, and is useful as an antitumor agent for the prophylaxis or treatment of cancer, rheumatism, and the like. In addition, the compound of the present invention can be a more effective antitumor agent when used in combination with other antitumor agents such as an alkylating agent or metabolism antagonist.
本发明涉及一种由以下式[I]所表示的
嘧啶化合物或其药学上可接受的盐,其中每个符号如规范中所定义,以及治疗或预防不良细胞增殖的方法,包括给予这样的化合物。本发明的化合物在抑制不良细胞增殖,特别是抗肿瘤活性方面具有优越性,并且在预防或治疗癌症、风湿病等方面作为抗肿瘤剂非常有用。此外,本发明的化合物在与其他抗肿瘤剂如烷基化剂或代谢拮抗剂联合使用时,可以更有效地作为抗肿瘤剂。