HETEROCYCLES

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■ The Preparation of Heterocyclic Appended Vinylogous Iminium Salts and Their Application to the Regioselective Preparation of Biheterocyclic Systems

John T. Gupton,* Scott A. Petrich, Fred A. Hicks, Doug R. Wilkinson, Marian Vargas, Kirsten N. Hosein, and James A. Sikorski*

*Department of Chemistry, University of North Carolina at Asheville, Asheville, North Carolina 28804, U.S.A.

Abstract

The synthesis of heterocyclic appended vinylogous iminium salts is described along with their conversion to heterocyclic appended pyrimidines, triazolopyrimidines, and pyrroles.