Elsevier

Tetrahedron Letters

Volume 46, Issue 15, 11 April 2005, Pages 2643-2645
Tetrahedron Letters

A straightforward highly efficient Paal–Knorr synthesis of pyrroles

https://doi.org/10.1016/j.tetlet.2005.02.103Get rights and content

Abstract

A straightforward simple synthesis of substituted pyrroles using bismuth nitrate-catalyzed modified Paal–Knorr method has been accomplished with an excellent yield. This method produces pyrroles with multicyclic aromatic amines.

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Acknowledgements

We gratefully acknowledge the funding support from the University of Texas, MD Anderson Cancer Center and the Robert Welch Foundation departmental grant (BG-0017).

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