Aluminum Chloride Promoted Hantzsch Reaction of N-Tosylhydrazones
Received: 19 April 2017
Accepted after revision: 09 June 2017
25 July 2017 (eFirst)
An aluminum chloride promoted Hantzsch reaction of N-tosylhydrazones has been developed. The reaction is general for a wide range of N-tosylhydrazones, and a series of 1,4-dihydropyridines (1,4-DHPs) were prepared in moderate to excellent yields.