申请人:Takeda Chemical Industries, Ltd.
公开号:EP0128028A2
公开(公告)日:1984-12-12
A compound of the formula:
wherein R is 2-methylpropyl, 2,2-dimethylpropyl, 1-ethylpropyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, n-pentyl, an alkyl group of 6 or 7 carbon atoms, or an alkenyl group of 2 to 7 carbon atoms, or a pharmaceutically acceptable salt thereof and processes for preparing the same are provided. The compound can orally be applied as antibiotics having improved absorbability.
式中的化合物:
其中 R 是 2-甲基丙基、2,2-二甲基丙基、1-乙基丙基、1-甲基丁基、2-甲基丁基、3-甲基丁基、正戊基、6 或 7 个碳原子的烷基或 2 至 7 个碳原子的烯基,或其药学上可接受的盐及其制备工艺。该化合物可作为抗生素口服,具有更好的吸收性。