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Microwave assisted synthesis and crystal structures of 2-imidazolines and imidazoles

Authorsde la Hoz, A.; Díaz-Ortiz, A.; Mateo, María del Carmen; Moral, Mónica ; Moreno, Andrés; Elguero, José ; Foces-Foces, Concepción ; Rodríguez, Matias L.; Sánchez-Migallón, A.
Issue Date2006
PublisherPergamon Press
CitationTetrahedron 62: 5868- 5874 (2006)
AbstractA series of 2-imidazolines and imidazoles has been synthesized using green synthetic methodologies. The preparation of 2-imidazolines was performed by cyclization of nitriles with ethylenediamine. The use of microwave irradiation in solvent-free conditions enabled 2-imidazolines to be obtained in high yields within short reaction times. Aromatization of imidazoles was performed under microwave irradiation in toluene and using Magtrieve™ as the oxidant. The X-ray structures for five of these derivatives are provided. In all cases, the molecules are assembled into chains through N-H⋯N hydrogen bonds. © 2006 Elsevier Ltd. All rights reserved.
Publisher version (URL)http://dx.doi.org/10.1016/j.tet.2006.04.020
Identifiersdoi: 10.1016/j.tet.2006.04.020
issn: 0040-4020
Appears in Collections:(IQM) Artículos
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