Single Crystal X-Ray Diffraction Structure of a Pseudo-polymorph of (±)-3-(ethoxycarbonyl)-2-(imidazol-1-yl) Propionic Acid (IEPA)

Carmen Ubide-Barreda, M. Rosario Torres, Paloma Ballesteros


(±)-3-(Ethoxycarbonyl)-2-(imidazol-1-yl) propionic acid (IEPA) crystallized in two different forms when recrystallized from absolute ethanol (Form I) or water (Form II), respectively. The single crystal X ray diffraction study of Form II unambiguously established that IEPA yielded a pseudopolymorph with a different crystalline packing when crystallized from water. This behaviour is additionally confirmed by Differential Scanning Calorimetry (DSC) and Thermogravimetry (TG).

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International Journal of Chemistry   ISSN 1916-9698 (Print)   ISSN 1916-9701 (Online)

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