The present invention relates to a method for producing an isoindole derivative (compound (II)) with the following general formula (II):
(wherein R
1
and R
2
each independently represents a C
1-6
alkyl group) or a salt thereof, comprising the step of cyclizing, in a solvent, compound (I) with the following general formula (I):
(wherein R
1
and R
2
have the same meanings as R
1
and R
2
in formula (II) above) or a salt thereof, or their hydrate or solvate in the presence of a base (Step 1).
本发明涉及一种制备isoindole衍
生物(化合物(II))或其盐的方法,该化合物具有以下一般式(II):(其中R1和R2各自独立地表示C1-6烷基基团),包括在溶剂中环化化合物(I)的步骤,该化合物具有以下一般式(I):(其中R1和R2具有与上述公式(II)中的R1和R2相同的含义),或它们的
水合物或溶剂化物,在碱存在下(步骤1)。