申请人:DAIICHI PHARMACEUTICAL CO., LTD.
公开号:EP0322815A2
公开(公告)日:1989-07-05
Propoxybenzene derivatives represented by the following formula
wherein Ra represents a nitro group, an amino group which may have a protecting group or an -NHCH=C(COO-C₁₋₆-Alkyl)₂ group, Rb represents a hydrogen atom, a protecting group for the hydroxyl group or a substituted sulfonyl group and Xa and Xb, which may be the same or different, each represents a halogen atom, and processes for preparation thereof are disclosed. These derivatives are useful in preparing antibacterial agents.
下式所代表的丙氧基苯衍生物
其中,Ra 代表硝基、可能带有保护基团的氨基或 -NHCH=C(COO-C₁₋₆ 烷基)₂ 基团;Rb 代表氢原子、羟基的保护基团或取代的磺酰基;Xa 和 Xb 可能相同或不同,各自代表卤素原子;本发明公开了这些衍生物及其制备工艺。这些衍生物可用于制备抗菌剂。