Diselosed are 6-[1-hydroxyethyl)-2-SR5-1-methyl-1-carbadethiapen-2-em-3-carboxylic acid esters (I) which are oralfy active antibiotics:
wherein: R is a pharmaceutically acceptable ester moiety consistent with oral delivery; and R' is substituted or unsubstituted: alkyl, alkenyl, alkynyl, or cyclic alkyl, alkenyl, alkynyl, having 1-6 carbon atoms, aryl such as phenyl or heteroaryl such as pyridyl; wherein the substituent or substituents are selected from: phenyl, pyridyl, cyano, fluoro, chloro, hydroxy, alkylthio such as methylthio, arylthio such as phenylthio, methoxy, phenoxy, alkoxycarbonyl such as methoxycarbonyl, acetoxyl, N-methylcarbamoyl, N-methylcarbamoyloxy and N-acylamino.
Also disclosed are processes for the preparation of such compounds and pharmaceutical compositions comprising such compounds.
分离出的 6-[1-羟乙基]-2-SR5-1-甲基-1-
巴豆硫杂庚烯-2-em-3-
羧酸酯 (I) 是一种具有或半活性的抗生素:
其中R是符合口服给药的药学上可接受的酯基;R'是取代或未取代的:烷基、烯基、炔基,或具有 1-6 个碳原子的环状烷基、烯基、炔基,芳基如苯基或杂芳基如
吡啶基;其中的取代基或多个取代基选自:苯基、
吡啶基、
氰基、
氟基、
氯基、羟基、烷
硫基如甲
硫基、芳
硫基如苯
硫基、甲氧基、苯氧基、烷氧基羰基如甲氧基羰基、乙酰氧基、N-甲基
氨基甲酰基、N-甲基
氨基甲酰氧基和 N-酰
氨基。
还公开了制备此类化合物的工艺和包含此类化合物的药物组合物。