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Volume 13, Issue 2, Pages 113-123

Azapentalenes. XLIV. 1H and 13C-NMR study of mesoionic pyrazolo[1,2-a]pyrazoles

Rosa María Claramunt,1 Sviatoslav Trofimenko,2 Isabel Rozas,3 and José Elguero3

1Departamento de Química Orgánica y Biología, UNED, Senda del Rey, s/n, E-28040 Madrid, Spain
2Du Pont Central Research and Development, Experimental Station, Wilmington, DE 19880-0302, USA
3Instituto de Química Médica, CSIC, Juan de la Cierva 3, E-28006 Madrid, Spain

Received 3 January 1996; Revised 12 March 1996

Copyright © 1997 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

How to Cite this Article

Rosa María Claramunt, Sviatoslav Trofimenko, Isabel Rozas, and José Elguero, “Azapentalenes. XLIV. 1H and 13C-NMR study of mesoionic pyrazolo[1,2-a]pyrazoles,” Spectroscopy, vol. 13, no. 2, pp. 113-123, 1997.