METHODS FOR PRODUCING ISOINDOLE DERIVATIVES

摘要

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).