Disclosed herein are pentapeptide derivatives of the formula (SEQ ID NO: 24) XNR.sup.1 --CH(R.sup.2)--C(O)--NH--CH(R.sup.3 --C(O)--NR.sup.4 --CH(CH.sub.2 Y)--CO--NH--CH[CR.sup.5 (R.sup.6)--COOH]--C(W)--NH--CH(R.sup.7)--Z wherein X is a terminal group, for example, alkanoyl or phenylalkanoyl radicals, R.sup.1 is alkyl or phenylalkyl, R.sup.2, R.sup.3 and R.sup.7 are selected from the side chains of amino acid or derived amino acid residues, R.sup.4, R.sup.5, and R.sup.6 are hydrogen or lower alkyl, W is oxo or thioxo, Y is carboxy, carbamyl or 5-1H-tetrazolyl and Z is carboxy or 5-1H-tetrazolyl. The derivatives are useful for treating herpes infections.
本文披露的是公式(
SEQ ID NO: 24)的五肽衍
生物:XNR.sup.1 --CH(R.sup.2)--C(O)--NH--CH(R.sup.3 --C(O)--NR.sup.4 --CH(CH.sub.2 Y)--CO--NH--CH[CR.sup.5 (R.sup.6)--COOH]--C(W)--NH--CH(R.sup.7)--Z,其中X是末端基团,例如,脂肪酰或苯基脂肪酰基团,R.sup.1是烷基或苯基烷基,R.sup.2、R.sup.3和R.sup.7是选择自
氨基酸或衍生
氨基酸残基的侧链,R.sup.4、R.sup.5和R.sup.6是氢或低烷基,W是氧代或
硫代氧代,Y是羧基,
氨基甲酸酰基或5-
1H-四唑基,Z是羧基或5-
1H-四唑基。这些衍
生物对治疗疱疹感染有用。