Knowledge-based H-bond prediction to aid experimental polymorph screening

Galek, Peter T. A., Allen, Frank H., Fabian, Laszlo and Feeder, Neil (2009) Knowledge-based H-bond prediction to aid experimental polymorph screening. CrystEngComm, 11 (12). p. 2634. ISSN 1466-8033

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Abstract

With an ever increasing regulatory and financial emphasis on solid form screening in the pharmaceutical industry, a knowledge-based method has been developed to assess crystal stability based on hydrogen bonding. An application is illustrated for the polymorphic drug ritonavir (Norvir™). The method quickly suggests a real threat of polymorphism in this compound by quantifying the likelihood of competing H-bonds, and strongly supports the relative stability of form II over form I. For the first time, H-bond geometry data are also reported following structure redeterminations deposited recently in the Cambridge Structural Database. The method's speed and versatility are emphasized, facilitating future application in assisting solid form selection of a diverse range of compounds.

Item Type: Article
Faculty \ School: Faculty of Science > School of Pharmacy
University of East Anglia > Faculty of Science > Research Groups > Drug Delivery and Pharmaceutical Materials
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Depositing User: Rachel Smith
Date Deposited: 15 Mar 2011 15:28
Last Modified: 25 Jul 2018 04:39
URI: https://ueaeprints.uea.ac.uk/id/eprint/26265
DOI: 10.1039/b910882c

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