Novel 5-fluorouracil derivatives of the following general formula
(wherein R1 is hydrogen, C1-C5alkyl, C6-C10aryl, C7-C10aralkyl, C1-C12alkanoyl, C2-C6alkoxycarbonyl, C1-C5alkanoyloxymethyl, carbamoyl or tri-C1-C5alkylsilyl;
R2 is hydrogen, C1-C5alkyl, C6-C10aryl or C7-C10aralkyl;
X is hydrogen, halogen or C2-C6alkoxycarbonyl;
Y is O, NR' (R' is hydrogen or C1-C5alkyl), S, SO or SO2; and n is an integer of 1-3),
which are orally administrable anti-tumor agents.
通式如下的新型 5-
氟尿
嘧啶衍
生物
(其中 R1 为氢、C1-C5 烷基、C6-C10 芳基、C7-C10 芳基、C1-C12 烷酰基、C2-C6 烷氧羰基、C1-C5 烷酰氧基甲基、
氨基甲酰基或三-C1-C5 烷基
硅烷基);
R2 是氢、C1-C5 烷基、C6-C10 芳基或 C7-C10 芳基;
X 是氢、卤素或 C2-C6 烷氧基羰基;
Y 是 O、NR'(R'是氢或 C1-C5烷基)、S、SO 或 SO2;n 是 1-3 的整数、)
是可口服的抗肿瘤剂。