Synthesis of Bicyclic Pyridones via Cyclocondensation of Heterocyclic Ketene Aminals with β-Ketoester Enol Tosylates
作者:Jun Lin、Sheng-Jiao Yan、Yan-Fei Niu、Rong Huang
DOI:10.1055/s-0029-1217984
日期:2009.10
A series of novel bicyclic pyridones were easily prepared by cycliccondensation of heterocyclic ketene aminals with β-keto ester enol tosylates in the presence of a base to give products in excellent yields (80-95%).