Abstract

An efficient green condensation reaction has been developed for synthesis of trans-isoindigo derivatives using SBA-Pr-SO3H with pore size of 6 nm as a heterogeneous nanoporous acid catalyst under solvent-free conditions. Isoindigo derivatives have many industrial applications, e.g., dyes, drugs, organic solar cells, and semiconductor memories. The antimicrobial activities of these compounds have also been tested.

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