Thiosalicylic Acid Catalyzed Multicomponent Reactions: Microwave-Assisted Synthesis of New Extended Angular Fused Azaheterocycles

[摘要]：A new, efficient and convenient approach to the synthesis of new extended angular fused aza-heterocycles including dibenzacridine and naphth[2,3-a:2',3'-j] acridine units with good luminescent properties is described. The multicomponent reactions (MCRs) were conducted by reacting readily available and inexpensive starting materials using thiosalicylic acid as a catalyst under microwave irradiation. A total of 14 examples were examined, and a broad substrate scope and high overall yields (72-89%) were revealed.

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