Thermal analytical and infrared spectroscopic investigations on polymorphic organic compounds-III |
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| Authors: | Maria Kuhnert-Brandstätter Monika Riedmann |
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| Institution: | (1) Institute of Pharmacognosy, University of Innsbruck, Innrain 52, A-6020 Innsbruck, Austria |
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| Abstract: | Six polymorphic compounds, having between two and five modifications, are described. Enantiotropic modifications were found for three of them: 9-fluorenylmethanol (2 modifications), polyester red A (3 modifications) and polyester red B (3 modifications). There were no indications of enantiotropy in the other three: diphenylcarbamoyl chloride (4 modifications), 4-hydroxyphenylacetic acid (5 modifications) and 2-hydroxy-1-naphthalenecarbaldehyde (5 modifications). |
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| Keywords: | polymorphism thermal analysis infrared spectroscopy of polymorphs |
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