Microwave-Assisted One-Pot Synthesis of Isoquinolines, Furopyridines, and Thienopyridines by Palladium-Catalyzed Sequential Coupling–Imination–Annulation of 2-Bromoarylaldehydes with Terminal Acetylenes and Ammonium Acetate
作者:Dingqiao Yang、Satvika Burugupalli、David Daniel、Yu Chen
DOI:10.1021/jo300494a
日期:2012.5.4
A palladium-catalyzed microwave-assisted one-pot reaction for the synthesis of isoquinolines is developed. The reaction is carried out by sequential coupling–imination–annulation reactions of ortho-bromoarylaldehydes and terminal alkynes with ammonium acetate, and a variety of substituted isoquinolines, furopyridines, and thienopyridines is prepared in moderate to excellent yields (up to 86%).
开发了
钯催化的微波辅助一锅法合成
异喹啉。该反应通过邻-
溴芳基醛和末端
炔烃与
乙酸铵的顺序偶合-胺化-环化反应进行,制备了各种取代的
异喹啉,
呋喃吡啶和
噻吩并
吡啶,产率中等至优异(高达86%)。