l-Proline Promoted Ullmann-Type Coupling Reactions of Aryl Iodides with Indoles, Pyrroles, Imidazoles or Pyrazoles
- 17 December 2003
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 2004 (1) , 128-130
- https://doi.org/10.1055/s-2003-44995
Abstract
The Ullmann-type coupling reactions of aryl iodides and several nitrogen heterocycles occur at 80-90 °C with l-proline as additive, giving N-arylpyrroles, N-arylindoles, N-arylimidazoles, and N-pyrazoles in good to excellent yields.Keywords
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