A whole output strategy for polymorph screening: Combining crystal structure prediction, graph set analysis, and targeted crystallization experiments in the case of diflunisal

Cross, W. I. and Blagden, Nicholas and Davey, R. J. and Pritchard, R. G. and Neumann, M. A. and Roberts, R. J. and Rowe, R. C. (2002) A whole output strategy for polymorph screening: Combining crystal structure prediction, graph set analysis, and targeted crystallization experiments in the case of diflunisal. Crystal Growth and Design, 3 (2). pp. 151-158. ISSN 1528-7483

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Item Type:Article
Item Status:Live Archive

Abstract

This paper describes the combined application of crystal structure prediction and targeted experimental crystallization to diflunisal, a fuorinated, aromatic carboxylic acid. Graph set analysis has been used to analyze and classify the structural predictions, and crystallization solvents have been selected to promote the formation of crystals containing the most commonly predicted hydrogen-bonding motifs. Accordingly, four new crystal structures of this material were solved, two solvates and two new polymorphs. This example further highlights both the insight offered by crystal structure prediction software and the limitations of current solution crystallization strategies.

Keywords:carboxylic acid, diflunisal, article, chemical analysis, chemical structure, crystal structure, crystallization, experiment, fluorination, hydrogen bond, prediction, screening
Subjects:B Subjects allied to Medicine > B230 Pharmacy
F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Pharmacy
ID Code:8773
Deposited On:04 Apr 2013 11:24

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