Novel deazapurine derivatives of the formula:
wherein
R1 is C1-18 alkyl which may be substituted with di-C1-3 alkyl amino; C1-18 alkenyl; C3-8 cyloalkyl; C5-8 cycloalkenyl; C7-13 aralkyl which may be substituted with C1-4 alkoxy, C1-4 alkanoyl, C2-4 alkoxycarbonyl, hydroxy, amino, nitro, trifluoromethyl or C1-4 alkanoylamido; or C6-10 aryl and
R2 is hydrogen or C7-13 aralkyl or,
R1 and R2, 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.
式中 R1 为 C1-18 烷基,可被二-C1-3 烷基
氨基取代;C1-18 烯基;C3-8 环烷基;C5-8 环烯基;C7-13 芳基,可被 C1-4 烷氧基、C1-4 烷酰基、C2-4 烷氧羰基、羟基、
氨基、硝基、三
氟甲基或 C1-4 烷酰
氨基取代;或 C6-10 芳基,R2 为氢或 C7-13 芳基,或 R1 和 R2 与相邻的氮原子一起形成一个
哌啶环,其盐可被肿瘤细胞选择性吸收并具有抗肿瘤活性。