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Hydrogen Bond Polarization Overcomes Unfavorable Packing in the Most Stable High Z′ Polymorph of Pterostilbene

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journal contribution
posted on 01.04.2019, 00:00 by Lídia Bofill, Dafne de Sande, Rafael Barbas, Rafel Prohens
The polymorphic landscape of the nutraceutical pterostilbene has been analyzed by solving the crystal structure of forms II and III from PXRD data. Polarization effects in the previously know form I crystal structure have been observed and the structural features of the most stable high Z′ polymorph have been discussed in relation to the relative stability between the polymorphs of this important natural product.