Facile Synthesis of 4-<i>H</i>-Pyran Derivatives Bearing Indole Skeleton via [3+3] Cyclization of 3-Indolyl-3-oxopropanenitriles with Dialkyl Acetylenedicarboxylates and Isocyanides
作者:Ping Song、Lili Zhao、Shunjun Ji
DOI:10.1002/cjoc.201400155
日期:2014.5
An efficient multicomponent reaction of 3‐indolyl‐3‐oxopropanenitriles with dialkylacetylenedicarboxylates and isocyanides under mild conditions leading to highly functionalized 6‐(indol‐3‐yl)‐4H‐pyrans in moderate to good yields has been developed.