申请人:KYOWA HAKKO KOGYO CO., LTD.
公开号:EP1878737A1
公开(公告)日:2008-01-16
The present invention provides a method for producing an indazol-3-ylmethyl phosphonium salt represented by Formula (IV):
[wherein X represents halogen, OSO2Ra (wherein Ra represents substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl or the like), or OC(=O)Rb (wherein Rb has the same meaning as the above Ra), or the like, and R1, R2 and R3 may be the same or different and each represents substituted or unsubstituted aryl or the like] or a salt thereof, which comprises reacting a compound represented by Formula (I):
a compound represented by Formula (II):
H-X (II)
(wherein X has the same meaning as defined above), and a compound represented by Formula (III):
(whrein R1, R2 and R3 have the same meanings as defined above, respectively), and the like.
本发明提供了一种生产由式(IV)代表的吲唑-3-基甲基鏻盐的方法:
[其中X代表卤素、OSO2Ra(其中Ra代表取代或未取代的低级烷基、取代或未取代的芳基或类似物)或OC(=O)Rb(其中Rb的含义与上述Ra相同)或类似物,R1、R2和R3可以相同或不同,且各自代表取代或未取代的芳基或类似物]或其盐,该方法包括使式(I)代表的化合物反应:
由式(II)代表的化合物:
H-X (II)
(其中 X 的含义与上文所定义的相同),以及由式(III)代表的化合物:
(其中 R1、R2 和 R3 分别具有与上述定义相同的含义)以及类似的化合物。