Disclosed are 1-substituted-6-(1-hydroxyethyl)-2-(2-aminoethylthio)-1-carbadethiapen-2-em-3-carboxylic acids (I) and their pharmaceutically acceptable salts and esters which are useful as antibiotics; such compounds are prepared by total synthesis.
wherein R1 and R2 are, inter alia, substituted and unsubstituted alkyl, aryl, aralkyl, cycloalkyl, cycloalkylalkyl and the spiro substituent formed by the joinder of R1 and R2.
本发明公开了可用作抗生素的 1-取代-6-(1-羟乙基)-2-(2-
氨基乙
硫基)-1-甲
硫基-2-em-3-
羧酸(I)及其药学上可接受的盐和酯,这些化合物是通过全合成制备的。
其中 R1 和 R2 除其他外,是取代和未取代的烷基、芳基、芳烷基、环烷基、环烷基烷基和由 R1 和 R2 连接形成的螺取代基。