A phenylalanine-glycine derivative of the general formula (I):
wherein R represents a residue of an antitumor substance, or a salt or ester thereof, a process for preparation thereof, and a pharmaceutical composition containing the same are described.
The novel conjugate of the phenylalanine-glycine derivative and the antitumor substance exhibits superior antitumor activity in comparison with the case wherein an antitumor substance is administered singly or as a mixture with phenylalanine.
通式(I)的苯丙
氨酸-甘
氨酸衍
生物:
其中 R 代表一种抗肿瘤物质的残留物或其盐或酯,描述了其制备方法和含有该衍
生物的药物组合物。
苯丙
氨酸-甘
氨酸衍
生物和抗肿瘤物质的新型共轭物与抗肿瘤物质单独给药或与苯丙
氨酸混合给药的情况相比,具有更强的抗肿瘤活性。