A Simple and Efficient Protocol to 1,2,4-Substituted Pyrroles via a Sonogashira Coupling-Acid-Catalyzed Cyclization

[摘要]：A facile and efficient protocol for the synthesis of 1,2,4-substituted pyrrole derivatives was developed. As a result of the ready availability of materials and the simple operation, this type of reaction should have potential utility in organic synthesis.

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