申请人:Takeda Chemical Industries, Ltd.
公开号:EP0228061A2
公开(公告)日:1987-07-08
A cephem compound of the general formula:
, wherein R, is an amino group which may be protected, Q is nitrogen or a group of C-R2 in which R2 is hydrogen or a halogen,
R3 is hydrogen or a hydrocarbon residue which may be substituted,
A is a triazolopyridinyl, triazolopyridazinyl or triazolopyrazinyl group which may be substituted, or a salt or ester thereof
, and a process for preparing the same and a pharmaceutical composition thereof are disclosed.
通式如下的头孢氨苄化合物
其中 R 是可被保护的氨基,Q 是氮或 C-R2 的基团,其中 R2 是氢或卤素、
R3 是氢或可被取代的烃残基、
A 是可被取代的三唑并吡啶基、三唑并哒嗪基或三唑并吡嗪基,或其盐或酯。
本发明公开了三唑吡啶、三唑哒嗪或三唑吡嗪基,以及制备三唑吡啶、三唑哒嗪或三唑吡嗪基的工艺及其药物组合物。