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■ Ultrasound-Mediated One-Pot Synthesis of the Fully Functionalized N,Nʹ-(1,3-Propane)bispyrroles

Huijun Liu,* Qi Ma, Zhen Lu, Qiang Zhao, Jinping Song, Kewei Wang, Feng Feng,* and Yong Guo*

*Institute of Applied Chemistry, Institute of Organic Chemistry, College of Chemistry and Environmental Engineering, Shanxi Datong University, NO 1602 xingyunstreet，datong city 037009, China

Abstract

Five fully functionalized N,Nʹ-(1,3-propane)-bispyrroles were synthesized by the tert-butyl isocyanide-mediated one-pot reaction of bisimines, aroyl chloride and dimethyl acetylenedicarboxylate under ultrasonic irradiation in good yield. The structures of N,Nʹ-(1,3-propane)-bispyrroles were characterized by 1H NMR and 13C NMR spectroscopy.