1. Université de Tiaret, Laboratoire de Synthèse et de Catalyse, 14000‐TIARET, Algérie;2. Université de Rennes 1, Laboratoire Sciences Chimiques de Rennes, UMR CNRS 6226, Groupe Ingénierie Chimique et Molécules pour le Vivant (ICMV), Bǎt. 10A, Campus de Beaulieu, Avenue du Général Leclerc, CS 74205, 35042 RENNES Cedex, France
Abstract:
The synthesis of new 3‐substituted coumarins appended to imidazolium, pyridinium, 3‐dimethylamino pyridinium, 3‐chloro pyridinium and 3‐bromo pyridinium salts is reported. These salts were prepared by tandem reactions, followed by quantitative anionic metathesis. The structure of these new 3‐substituted coumarins was established by NMR (1H, 13C) and high‐resolution mass spectrometry.