申请人:Takeda Chemical Industries, Ltd.
公开号:US05532171A1
公开(公告)日:1996-07-02
There is disclosed a novel phenothiazine derivative of the general formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and are a C.sub.1-6 alkyl group and at least one of them has as a substituent a group which can react with amino group, thiol group or carboxyl group, and X.sup.- is a counter ion of the phenazathionium. Their production and the intermediates used in the production are also disclosed. The compound (I) is a derivative of methylene blue and is applicable to photodynamic therapy of cancer or immunoassays utilizing chemiluminescence.
本发明揭示了一种新的苯并噻嗪衍生物,其一般式为(I):## STR1 ## 其中R.sub.1,R.sub.2,R.sub.3和R.sub.4相同或不同,为C.sub.1-6烷基,并且其中至少一个具有可与氨基,硫醇基或羧基反应的基团,X.sup.-是苯并噻嗪阳离子的计数离子。本发明还揭示了它们的制备以及在制备过程中使用的中间体。化合物(I)是亚甲蓝的衍生物,适用于癌症光动力疗法或利用化学发光的免疫测定。