Disclosed herein are peptide derivatives of the formula A-B-D-NHCHCH₂C(O)R¹}C(O)-NHCHCR²(R³)-COOH}C(O)-E wherein A is a lower alkanoyl bearing two substituents, each substituent selected independently from phenyl or a monosubstituted phenyl wherein the monosubstituent is alkyl, halo, hydroxy or alkoxy; B is a N-methyl amino acid residue; D is an amino acid residue; R¹ is alkyl, cycloalkyl, a monosubstituted amino or a disubstituted amino; R² is hydrogen or alkyl and R³ is alkyl, or R² and R³ are joined to form a cycloalkyl; and E is a terminal unit, for example, an alkylamino or a monovalent amino acid radical such as NHCH(alkyl)C(O)OH. The derivatives are useful for treating herpes infections.
本文公开了式 A-B-D-NHCHCH₂C(O)R¹}C(O)-NHCHCR²(R³)-COOH}C(O)-E 的肽衍
生物,其中 A 是带有两个取代基的低级烷酰基,每个取代基独立选自苯基或单取代苯基,其中单取代基是烷基、卤代、羟基或烷氧基;B 是 N-甲基
氨基酸残基;D 是
氨基酸残基;R¹ 是烷基、环烷基、单取代
氨基或二取代
氨基;R² 是氢或烷基,R³ 是烷基,或 R² 和 R³ 连接形成环烷基;E 是末端单元,例如烷基
氨基或单价
氨基酸基,如 NHCH(烷基)C(O)OH。这些衍
生物可用于治疗疱疹感染。