Novel acetylenic derivatives of .alpha.-amino acids of the following general structure: ##STR1## wherein n is an integer of from 1 to 3; R is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched, or ##STR2## wherein R.sub.2 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; each R.sub.1 is the same and is hydroxy, a straight or branched alkoxy group of from 1 to 8 carbon atoms, --NR.sub.3 R.sub.4 wherein each of R.sub.3 and R.sub.4 is hydrogen or a lower alkyl group of from 1 to 4 carbon atoms and can be the same or different, of ##STR3## wherein R.sub.5 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; and the lactams thereof when n is 2 or 3; and pharmaceutically acceptable salts and individual optical isomers thereof.
以下是通用结构的
α-氨基酸的新型
乙炔衍
生物:其中n是1至3的整数;R是氢,烷基羰基,其中烷基基团具有1至4个碳原子且是直链或支链,烷氧羰基,其中烷氧基团具有1至4个碳原子且是直链或支链,或其中R2是氢,1至4个碳原子的直链或支链低烷基,苯甲基或对羟基苯甲基;每个R1相同且为羟基,1至8个碳原子的直链或支链烷氧基,--NR3R4,其中R3和R4中的每一个是氢或1至4个碳原子的低烷基,可以相同或不同,或其中R5是氢,1至4个碳原子的直链或支链低烷基,苯甲基或对羟基苯甲基;当n为2或3时,以及其内酰胺和药学上可接受的盐和单一光学异构体。