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
Arylatedbenzofurans 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.
Palladium-catalyzed synthesis of benzofurans via C–H activation/oxidation tandem reaction and its application to the synthesis of decursivine and serotobenine
A new palladium-catalyzed method for the synthesis of benzofurans by reaction of 2-hydroxystyrenes and iodobenzenes via a CâH activation/oxidation tandem reaction has been unprecedentedly discovered. By using this strategy, the overall synthetic efficiency of the synthesis of decursivine and its analogues was indeed improved. Preliminary mechanistic studies shed light into the possible mechanisms.
An approach to synthesize 2,3-diaryl benzo[b]furans using coumarins and aryl bromides is developed.
使用香豆素和芳基溴化物合成2,3-二芳基苯并呋喃的方法已经开发。
Natural product inspired library synthesis - Identification of 2,3-diarylbenzofuran and 2,3-dihydrobenzofuran based inhibitors of Chlamydia trachomatis
作者:Michael Saleeb、Sergio Mojica、Anna U. Eriksson、C. David Andersson、Åsa Gylfe、Mikael Elofsson
DOI:10.1016/j.ejmech.2017.11.099
日期:2018.1
A natural product inspired library was synthesized based on 2,3-diarylbenzofuran and 2,3-diaryl-2,3-dihydrobenzofuran scaffolds. The library of forty-eight compounds was prepared by utilizing Pd-catalyzed one-pot multicomponent reactions and ruthenium-catalyzed intramolecular carbenoid C-H insertions. The compounds were evaluated for antibacterial activity in a panel of test systems including phenotypic
selective and convenient synthesis of tri- and tetrasubstituted α,β-unsaturated ketones, as well as 2,3-diarylbenzofurans has been developed with the aid of light and taking advantage of a cooperative gold/photoredox-catalyzed 2-fold arylation reaction of TMS-terminated alkynols. The reaction of 3-(trimethylsilyl)prop-2-yn-1-ols was competent to generate diarylated α,β-unsaturated ketones; whereas the