Synthesis of Arylated Benzofurans by RegioselectiveSuzuki-Miyaura Cross-Coupling Reactions of 2,3-Dibromobenzofurans- and 2,3,5-Tribromobenzofurans
作者:M. Hussain、N. Thai Hung、N. Abbas、R. A. Khera、I. Malik、T. Patonay、N. Kelzhanova、Z. A. Abilov、A. Villinger、P. Langer
DOI:10.1002/jhet.2083
日期:2015.3
Arylated benzofurans were prepared by regioselective Suzuki–Miyaura cross‐coupling reactions of 2,3‐dibromobenzofuran. The reactions proceeded with very good site‐selectivity in favor of the more electron deficient position 2. The Suzuki–Miyaura reactions of 2,3,5‐tribromobenzofuran also proceeded in favor of position 2.
通过2,3-二溴苯并呋喃的区域选择性Suzuki-Miyaura交叉偶联反应制备了丙烯酸化的苯并呋喃。该反应以非常好的位点选择性进行,有利于电子缺乏的第2位。2,3,5-三溴苯并呋喃的Suzuki-Miyaura反应也有利于第2位。