4-Picoline-catalyzed hetero-Diels–Alder type reactions: one-pot synthesis of pyrano[4,3-c]chromenes
作者:Michael A. Terzidis、Eleni Dimitriadou、Constantinos A. Tsoleridis、Julia Stephanidou-Stephanatou
DOI:10.1016/j.tetlet.2009.02.077
日期:2009.5
An organocatalytic hetero-Diels–Alder type reaction between α,β-unsaturated aldehydes and acetylenedicarboxylates is achieved which offers an efficient one-pot access to a new class of pyrano[4,3-c]chromenes from simple and readily available starting materials under mild reaction conditions.
在α,β-不饱和醛与炔二羧酸之间实现了有机催化的杂狄尔斯-阿尔德型反应,可在简单易用的起始原料下,高效地从一锅中获得新型吡喃并[4,3- c ]苯二酚。反应条件温和。