Synthesis of 2-substituted benzofuran derivatives by the palladium-catalyzed intermolecular coupling of 2-fluoroallylic acetates with phenols
作者:Takumi Udagawa、Masaki Kogawa、Yukiko Tsuchi、Hirotaka Watanabe、Mitsuaki Yamamoto、Motoi Kawatsura
DOI:10.1016/j.tetlet.2016.12.011
日期:2017.1
We investigated the intermolecular coupling reaction of 2-fluoroallylic acetates with simple phenols by the [Pd(C3H5)Cl]2, DPPF, and KHMDS at 100 °C for 16 h, and succeeded in obtaining 2-substituted benzofuran derivatives in good to high yield through the C–F bond activation and intermolecular cyclization.
我们研究了[Pd(C 3 H 5)Cl] 2,DPPF和KHMDS在100°C下16 h的2-氟烯丙基乙酸酯与简单酚的分子间偶联反应,并成功获得了2-取代的苯并呋喃衍生物。通过CF键活化和分子间环化,具有良好至高产的效果。