申请人:Takeda Chemical Industries, Ltd.
公开号:US04435569A1
公开(公告)日:1984-03-06
Novel deazapurine derivatives of the formula: ##STR1## wherein R.sup.1 is C.sub.1-18 alkyl which may be substituted with di-C.sub.1-3 alkyl amino; C.sub.1-18 alkenyl; C.sub.3-8 cyloalkyl; C.sub.5-8 cycloalkenyl; C.sub.7-13 aralkyl which may be substituted with C.sub.1-4 alkoxy, C.sub.1-4 alkanoyl, C.sub.2-4 alkoxycarbonyl, hydroxy, amino, nitro, trifluoromethyl or C.sub.1-4 alkanoylamido; or C.sub.6-10 aryl and R.sup.2 is hydrogen or C.sub.7-13 aralkyl or, R.sup.1 and R.sup.2, taken together with the adjacent nitrogen atom, form a piperidine ring, and salt thereof are selectively taken up by tumor cells and have antitumor activity.
新型的嘌呤衍生物的化学式为:##STR1## 其中 R.sup.1 是 C.sub.1-18 烷基,可能被二C.sub.1-3 烷基氨基取代;C.sub.1-18 烯基;C.sub.3-8 环烷基;C.sub.5-8 环烯基;C.sub.7-13 芳基烷基,可能被 C.sub.1-4 烷氧基,C.sub.1-4 烷酰基,C.sub.2-4 烷氧羰基,羟基,氨基,硝基,三氟甲基或 C.sub.1-4 烷酰胺基取代;或 C.sub.6-10 芳基,R.sup.2 是氢或 C.sub.7-13 芳基烷基或,R.sup.1 和 R.sup.2,与相邻的氮原子一起形成哌啶环,及其盐被肿瘤细胞选择性吸收并具有抗肿瘤活性。