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Polymorphic Study of 2-(2-benzofuryl) Δ-2 Imidazoline

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Abstract

The compound 2-(2-benzofuryl) Δ-2 imidazoline, has been studied by DSC, TG, X-ray diffraction and thermomicroscopy.

We shall see that in the case of a study by DSC this compound presents a strange behaviour, which apparently is in contradiction with the thermodynamic rules. In a case of monotropy, if we have the α-phase (stable) and the γ-phase (metastable), after melting and cooling only theα-phase could crystallise. But this compound can give, according to the rate of cooling, theγ-phase metastable. The rate of cooling is of fundamental importance and the monotropic behaviour of this compound will be explained using the Gibbs function G=f(T) for P=1 atm.

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Authors and Affiliations

  1. Faculté de Pharmacie, Laboratoire de Chimie Physique Minérale et Bioinorganique, EA401, rue J. B. Clément, 92290, Chatenây-Malabry, France

    B. Legendre

  2. Faculté de Pharmacie, Laboratoire de Chimie Pharmaceutique, EA819, 35 chemin des Maraîchers, 31400, Toulouse, France

    G. Baziard-Mouysset, M. Anastassiadou & M. Payard

  3. Laboratoire de Chimie Analytique, Faculté de Pharmacie, Université de Bordeaux III, 1 place de la Victoire, 33076, Bordeaux Cedex, France

    J. M. Leger

Authors
  1. B. Legendre
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  2. G. Baziard-Mouysset
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  3. M. Anastassiadou
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  4. J. M. Leger
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  5. M. Payard
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Legendre, B., Baziard-Mouysset, G., Anastassiadou, M. et al. Polymorphic Study of 2-(2-benzofuryl) Δ-2 Imidazoline. Journal of Thermal Analysis and Calorimetry 66, 659–673 (2001). https://doi.org/10.1023/A:1013102025734

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  • DOI: https://doi.org/10.1023/A:1013102025734

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