Vanadium-Catalyzed Oxidative Intramolecular Coupling of Tethered Phenols: Formation of Phenol-Dienone Products
作者:Philip H. Gilmartin、Marisa C. Kozlowski
DOI:10.1021/acs.orglett.0c00577
日期:2020.4.17
A mild and efficient method for the vanadium-catalyzed intramolecular coupling of tethered free phenols is described. The corresponding phenol-dienone products are prepared directly in good yields with low catalyst loadings. Electronically diverse tethered phenol precursors are well tolerated, and the catalytic method was effectively applied as the key step in syntheses of three natural products and
描述了一种温和有效的方法,用于钒催化的分子内偶联的游离酚的偶联。相应的苯酚-二烯酮产品直接以高收率和低催化剂负载量制备。电子多样性的束缚酚前体具有良好的耐受性,催化方法有效地用作了合成三种天然产物和可合成的吗啡烷生物碱前体的关键步骤。