Muramylpeptide active ester derivatives represented by the formula:
wherein R, represents a hydrogen atom or a fatty acid residue having from 2 to 10 carbon atoms; -COR2 represents an active ester group; R3 represents a fatty acid residue having from 1 to 10 carbon atoms; X represents an alanine, N-methylalanine or valine residue; "Acyl" represents a fatty acid residue having from 2 to 6 carbon atoms; and n represents an integer of from 1 to 6. These compounds are applicable as haptens for the immunotherapy and exhibit antitumor activity.
由式表示的
氨甲酰肽活性酯衍
生物:
其中 R 代表氢原子或具有 2 至 10 个碳原子的
脂肪酸残基;-COR2 代表活性酯基;R3 代表具有 1 至 10 个碳原子的
脂肪酸残基;X 代表丙
氨酸、N-甲基丙
氨酸或缬
氨酸残基;"酰基 "代表具有 2 至 6 个碳原子的
脂肪酸残基;n 代表 1 至 6 的整数。这些化合物可用作免疫疗法的触媒,并具有抗肿瘤活性。