A Novel One Step Synthesis of Pyrazolopyridine Derivatives

Article abstract of DOI:10.1055/s-1987-27976

A novel one step synthesis of pyrazolo<1,5-a>pyridines has been developed by condensation of N-amino-3-cyano-4,6-dimethyl-2(1H)-pyridone (1) with compounds containing acetyl or active methylene group in presence of anhydrous zinc chloride in refluxing dim