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Unusual Aryl Migration in a Mesomeric Betaine in the Solid and Liquid State: Mechanistic Insights into the SNAr Reaction

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journal contribution
posted on 18.06.2010, 00:00 by David Cantillo, Martín Ávalos, Reyes Babiano, Pedro Cintas, José L. Jiménez, Mark E. Light, Juan C. Palacios
An intramolecular SNAr mechanism has been identified in the unexpected aryl migration observed in a mesomeric betaine. The process changes drastically the optical and spectroscopic properties and should be a valuable model for related heteroaromatic systems.