申请人:Sankyo Company, Limited
公开号:US04545942A1
公开(公告)日:1985-10-08
New compounds useful as immunoregulatory and antineoplastic agents are amino-acid derivatives of formula: ##STR1## wherein: n is an integer from 1 to 5; R.sup.1 is a hydrogen atom, an alkyl group, a haloalkyl group, a halogen atom, a mercapto group, an alkylmercapto group, a hydroxy group, an alkoxy group, an acyloxy group, a carboxyl group, an alkoxycarbonyl group, an amino group, an alkyl-substituted amino group, an aryl-substituted amino group, an acylamino group, a haloalkoxycarbonylamino group, an alkanesulphonyl group, a nitro group or a cyano group (and, when n is an integer from 2 to 5, the radicals R.sup.1 may be the same or different); R.sup.2 and R.sup.3 may be the same or different and each is a hydrogen atom or an alkyl group; R.sup.4 is a hydrogen atom, an alkyl group, a cyano group, a cyanoalkyl group, a hydroxyalkyl group, an alkoxycarbonyl group, a carboxyl group, an aryl group, an aralkyl group, a mercaptoalkyl group, an alkylthioalkyl group, or a thioalkyl group (the free bond of the sulphur in said thioalkyl group being joined to the sulphur of another moiety of the same formula); and A is a hydroxy group, an alkoxy group, an amino group, an alkyl-substituted amino group (optionally halogen- or carbamoyl- substituted in the alkyl moiety), a hydrazino group, an alkyl- or aryl- substituted hydrazino group, a hydroxylamino group, an alkoxyamino group or an aralkyloxyamino group; and the pharmaceutically acceptable salts thereof.
新的化合物可用作免疫调节和抗肿瘤剂,其为公式的氨基酸衍生物:##STR1## 其中:n为1至5的整数;R.sup.1为氢原子,烷基,卤代烷基,卤素原子,巯基,烷基巯基,羟基,烷氧基,酰氧基,羧基,烷氧羰基基,氨基,烷基取代的氨基,芳基取代的氨基,酰胺基,卤代烷氧羧酰胺基,烷基磺酰基,硝基或氰基(当n为2至5的整数时,基团R.sup.1可以相同或不同);R.sup.2和R.sup.3可以相同或不同,且每个都是氢原子或烷基;R.sup.4为氢原子,烷基,氰基,氰基烷基,羟基烷基,烷氧羰基基,羧基,芳基,芳基烷基,巯基烷基,烷硫基烷基或硫代烷基(所述硫代烷基中硫的自由键与该公式的另一部分的硫结合);A为羟基,烷氧基,氨基,烷基取代的氨基(在烷基部分可以选择卤素或氨基酰基取代),肼基,烷基或芳基取代的肼基,羟胺基,烷氧基氨基或芳基烷氧基氨基;以及其药学上可接受的盐。