A Facile Access to 2-Methylthio/Alkoxy/Amino-3-acylimidazo[1,2-a]pyridines Based on Cupric Chloride Promoted Oxidative Ring Closure of α-Oxoketene N,S-, N,O-, and N,N-Acetals
A Facile Access to 2-Methylthio/Alkoxy/Amino-3-acylimidazo[1,2-a]pyridines Based on Cupric Chloride Promoted Oxidative Ring Closure of α-Oxoketene N,S-, N,O-, and N,N-Acetals
A Facile Access to 2-Methylthio/Alkoxy/Amino-3-acylimidazo[1,2-<i>a</i>]pyridines Based on Cupric Chloride Promoted Oxidative Ring Closure of α-Oxoketene N,S-, N,O-, and N,N-Acetals