申请人:Eisai R&D Management Co., Ltd.
公开号:EP2202233A1
公开(公告)日:2010-06-30
Disclosed is a commercially advantageous method for producing a pyrazole fused ring derivative (such as a 7-phenylpyrazolo[1,5-a]pyridine derivative). Specifically disclosed is a method for producing a compound (I) represented by the formula (I) below or a salt thereof, which comprises a step A wherein a hydroxy group in a compound (IV) represented by the formula (IV) below is converted into a methoxy group, thereby obtaining a compound (I) or a salt thereof:
揭示了一种生产吡唑融合环衍生物(如7-苯基吡唑并[1,5-a]吡啶衍生物)的商业上有利的方法。具体揭示了一种生产由下式(I)表示的化合物(I)或其盐的方法,其中包括步骤A,其中将由下式(IV)表示的化合物(IV)中的羟基转化为甲氧基,从而获得化合物(I)或其盐: