A farnesyltransferase inhibitor and an antitumor drug each containing a piperazinedione derivative represented by general formula (I) as the active ingredient, wherein R¹ and R² are the same or different from each other and each represents lower alkyl, lower alkoxyalkyl, or (un)substituted aryl or aralkyl; R³ and R⁴ are the same or different from each other and each represents mercapto, lower alkanoylthio, aroylthio, lower alkoxycarbonylthio or aryloxycarbonylthio, or R³ and R⁴ are combined with each other to represent a disulfide bond; and R⁵ and R⁶ are the same or different from each other and each represents hydrogen, lower alkyl, lower alkoxyalkyl, hydroxyalkyl, lower alkanoyloxyalkyl, aroyloxyalkyl, aralkyloxyalkyl or aralkyl.
一种法尼基转移酶
抑制剂和一种
抗肿瘤药物,各自含有通式(I)代表的
哌嗪二酮衍
生物作为活性成分,其中R¹和R²彼此相同或不同,各自代表低级烷基、低级烷氧基烷基或(未)取代的芳基或芳烷基;R³ 和 R⁴ 相互相同或不同,各自代表巯基、低级烷酰
硫基、芳基
硫基、低级烷氧基羰基硫基或芳氧基羰基硫基,或 R³ 和 R⁴ 相互结合代表二
硫键;和 R⁵ 和 R⁶ 彼此相同或不同,且各自代表氢、低级烷基、低级烷氧基烷基、羟基烷基、低级烷酰氧基烷基、芳酰氧基烷基、芳酰氧基烷基或芳烷基。