New Methodology for the Synthesis of 3-Substituted Coumarins via Palladium-Catalyzed Site-Selective Cross-Coupling Reactions
作者:António Pereira、Sérgio Martins、Paula Branco、María de la Torre、Miguel Sierra
DOI:10.1055/s-0030-1259014
日期:2010.12
A particularly useful, easy, and concise synthesis of diversified 3-aryl coumarin was achieved using Heck coupling reactions between coumarin and aryliodides. The introduction of the aryl moiety occurred regioselective at the 3-position of the heteroaromatic ring.