申请人:UBE INDUSTRIES, LTD.
公开号:EP0400610A1
公开(公告)日:1990-12-05
There are diclosed a 5-fluorouracil derivative represented by the formula (1):
wherein A represents a group represented by
wherein R¹ represents a hydrogen atom or OR⁵ group, R², R³ and R⁵ may be the same or different and each represents a hydrogen atom or a group represented by the following formula (2):
wherein R⁶ represents an acyl group, R⁷ represents a hydrogen atom, a straight or branched alkyl group, a cycloalkyl group, an aralkyl group, a lower alkenyl group or a phenyl group, and n is an integer of 0 to 6,
provided that at least one of R², R³ and R⁵ is a group represented by the formula (2), and the case wherein R² and R⁵ are both hydrogen atoms is excluded,
R⁴ represents a group represented by the formula (2), and X represents an alkylene group or a cycloalkylene group,
and an antitumor agent containing the same as an active ingredient.
式(1)代表的 5-氟尿嘧啶衍生物:
其中 A 代表由以下式子表示的基团
其中 R¹ 代表氢原子或 OR⁵ 基团,R²、R³ 和 R⁵ 可以相同或不同,且各自代表氢原子或下式(2)所代表的基团:
其中 R⁶ 代表酰基,R⁷ 代表氢原子、直链或支链烷基、环烷基、芳基、低级烯基或苯基,n 为 0-6 的整数、
条件是 R²、R³ 和 R⁵ 中至少有一个是式 (2) 所代表的基团,不包括 R² 和 R⁵ 都是氢原子的情况、
R⁴ 代表由式(2)表示的基团,X 代表亚烷基或环烷基、
以及含有相同活性成分的抗肿瘤剂。