4. A Concise and Diversity-Oriented Strategy for the Synthesis of Benzofurans and Indoles via Ugi and Diels-Alder Reactions

Lu, K.; Luo, T.; Xiang, Z.; You, Z.; Fathi, R.; Chen. J.; Yang, Z. J. Comb. Chem. 2005, 7, 958-967.

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