Identifying the intermolecular hydrogen-bonding supramolecular synthons in an indomethacin–nicotinamide cocrystal by solid-state NMR
Chemical Communications2012Vol. 48(88), pp. 10844–10844
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Keisuke Maruyoshi, Dinu Iuga, Oleg N. Antzutkin, Amjad Alhalaweh, Sitaram P. Velaga, Steven P. Brown
Abstract
Two-dimensional (1)H double-quantum and (14)N-(1)H & (1)H-(13)C heteronuclear magic-angle spinning (MAS) NMR spectra recorded at natural isotopic abundance identify specific intermolecular COOH···N(arom) and CH(arom)···O=C hydrogen-bonding interactions in the solid-state structure of an indomethacin-nicotinamide cocrystal, thus additionally proving cocrystal formation.
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