In the search for new anticancer drugs. XXIV: Synthesis and anticancer activity of amino acids and dipeptides containing the 2-chloroethyl- and [N′-(2-chloroethyl)-N′-nitroso]-aminocarbonyl groups
作者:George Sosnovsky、Indra Prakash、Nuti Uma Maheswara Rao
DOI:10.1002/jps.2600820102
日期:1993.1
45, 47, and 61) dipeptide derivatives composed of phenylglycine, phenylalanine, homophenylalanine, and valine and containing a 2-chloroethylamino group at the C-terminus and an N'-(2-chloroethyl)-N'-nitroso-aminocarbonyl group at the N-terminus of the dipeptides were prepared. The dipeptide derivatives (42-47, 60, and 61) were first evaluated in vivo for their anticancer activities against the murine
一系列L,L-(42、44、46和60)和D,D-(43、45、47和61)二肽衍生物,由苯甘氨酸,苯丙氨酸,高苯丙氨酸和缬氨酸组成,并含有2-氯乙基氨基制备C末端的N'-基团和二肽N末端的N'-(2-氯乙基)-N'-亚硝基-氨基羰基。首先在体内评估二肽衍生物(42-47、60和61)对鼠淋巴细胞性白血病P388的抗癌活性。化合物42、44、46和60的活性在寿命上增加了46%至111%(%ILS),而化合物43的活性很小(%ILS = 31),而45、47和61则没有活性。通常,L,L系列表现出低至良好的活性(%ILS = 46-111),而相应的D,D系列(除43(%ILS = 31)之外)没有活性。L-丙氨酸(74),L-苯丙氨酸(75)和L-天冬氨酸(76)的结构相似的单氨基酸衍生物对P388的活性高于二肽衍生物(即481%,297%和481%ILS,分别)。然后在体内针对鼠淋巴白