申请人:Miyata Toshio
公开号:US20070123577A1
公开(公告)日:2007-05-31
[PROBLEMS] To provide a inhibitor of protein modification products formation capable of inhibiting of vitamin B6 deficiency disease as a side effect, especially a renal protective agent. [MEANS FOR SOLVING PROBLEMS] There is provided a use, as an active ingredient, of any of free or salt-form compounds of either of the formulae: (I) (II) [wherein R1 is substituted or unsubstituted aromatic ring; and each of R2, R3 and R4 is a hydrogen atom or monovalent organic group, or alternatively R2 and R3 cooperate to form a condensed ring or R3 and R4 cooperate to represent a divalent organic group, provided that R3 and R4 are not simulataneously hydrogen atoms].
【问题】提供一种蛋白质修饰产物形成的抑制剂,能够抑制维生素B6缺乏病作为副作用,特别是一种肾脏保护剂。
【解决问题的方法】提供一种使用任何自由或盐形式的化合物作为活性成分,其中化合物的公式为(I)或(II):
(I)(II)
其中,R1是取代或未取代的芳香环;R2、R3和R4中的每一个是氢原子或一价有机基团,或者R2和R3合作形成一个缩环,或者R3和R4合作表示一个二价有机基团,但要求R3和R4不能同时为氢原子。