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Molecules 1999, 4(4), 104-121; doi:10.3390/40400104
Article

X-ray Crystallography at 170 K of Racemic 2,2'-Dimethoxy-9,9'-biacridine and 1H NMR Study of 2,2'-Diacetoxy-9,9'-biacridine

1
,
1, 1, 2, 2,* , 3, 3
 and
4,*
1 Méthodes et Valorisation de la Chimie Fine, Faculté des Sciences et Techniques de Saint Jérôme, Université d'Aix Marseille III, Avenue Escadrille Normandie-Niémen, 13397 Marseille Cédex 20, France 2 Departamento de Cristalografía, Instituto de Química Física 'Rocasolano', Serrano, 119, E-28006 Madrid, Spain 3 Instituto de Química Médica, CSIC, Juan de la Cierva, 3, E-28006 Madrid, Spain 4 Departament de Química, Facultat de Cienciès, Universitat Autonoma de Barcelona, E-08193 Bellaterra, Spain
* Authors to whom correspondence should be addressed.
Received: 16 March 1998 / Accepted: 5 May 1998 / Published: 16 April 1999
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Abstract

Three derivatives of 9,9'-biacridine, 2,2'-dihydroxy, 2,2'-dimethoxy and 2,2'-diacetoxy have been prepared. The crystal structure of racemic 2,2'-dimethoxy-9,9'-biacridine CHCl3 1:1 complex has been determined and shows an almost perpendicular conformation of both acridine rings. 1H NMR experiments using the diacetoxy derivative and both Eu(tfc)3 and R-Pirkle's alcohol show the splitting of some signals characteristic of a racemic compound.
Keywords: Biacridines; X-Ray analysis; Lantanide shift reagents; Pirkle's alcohol Biacridines; X-Ray analysis; Lantanide shift reagents; Pirkle's alcohol
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Boyer, G.; Lormier, T.; Galy, J.-P.; Llamas-Saiz, A.L.; Foces- Foces, C.; Fierros, M.; Elguero, J.; Virgili, A. X-ray Crystallography at 170 K of Racemic 2,2'-Dimethoxy-9,9'-biacridine and 1H NMR Study of 2,2'-Diacetoxy-9,9'-biacridine. Molecules 1999, 4, 104-121.

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