申请人:Eisai R&D Management Co., Ltd.
公开号:EP1787983A1
公开(公告)日:2007-05-23
The present invention relates to a method for producing an isoindole derivative (compound (II)) with the following general formula (II):
(wherein R1 and R2 each independently represents a C1-6 alkyl group) or a salt thereof, comprising the step of cyclizing, in a solvent, compound (I) with the following general formula (I):
(wherein R1 and R2 have the same meanings as R1 and R2 in formula (II) above) or a salt thereof, or their hydrate or solvate in the presence of a base (Step 1).
本发明涉及一种生产具有以下通式(II)的异吲哚衍生物(化合物(II))的方法:
(其中 R1 和 R2 各自独立地代表一个 C1-6 烷基)或其盐的方法,包括在溶剂中使具有下 列通式(I)的化合物(I)环化的步骤:
(其中 R1 和 R2 与上式(II)中的 R1 和 R2 意义相同)或其盐,或它们的水合物或溶物在碱存在下环化的步骤(步骤 1)。