An efficient and metal-free method for the synthesis of 3-aryl pyrido[1,2-]indoles from aryne intermediates and 2-pyridinyl-substituted -QMs was successfully developed under ambient conditions. The reaction offered a novel and practical protocol to access some diverse functional molecules in good to excellent yields. The proposed mechanism indicated that the reaction proceeded a formal [3 + 2] cycloaddition step.

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http://dx.doi.org/10.1039/d4ob00684dDOI Listing

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