An environmentally benign cascade reaction of chromone-3-carboxaldehydes with ethyl 2-(pyridine-2-yl)acetate derivatives for highly site-selective synthesis of quinolizines and quinolizinium salts in water
Li Chen, Rong Huang, Kun Li, Xing-Han Yun, Chang-Long Yang, Sheng‐Jiao Yan
Abstract
A protocol for the synthesis of quinolizines from ethyl 2-(pyridine-2-yl)acetates <italic>via</italic> an unprecedented cascade reaction in water was constructed.
Topics & Concepts
ChromoneChemistryPyridineCascadeOrganic chemistryEthyl acetateCombinatorial chemistryChromatographyMulticomponent Synthesis of HeterocyclesSynthesis and Biological EvaluationCatalytic C–H Functionalization Methods