Structures of substituted di-aryl-1, 3, 4-oxadiazole derivatives: 2, 5-bis (pyridyl)-and 2, 5-bis (aminophenyl)-substitution

…, I Orgzall, G Reck, BW Schulz, S Stockhause…

Index: Emmerling, Franziska; Orgzall, Ingo; Reck, Guenter; Schulz, Burkhard W.; Stockhause, Sabine; Schulz, Burkhard Journal of Molecular Structure, 2006 , vol. 800, # 1-3 p. 74 - 84

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Citation Number: 12

Abstract

Crystal structures of four different di-aryl-1, 3, 4-oxadiazole compounds (aryl= 2-pyridyl-, 3- pyridyl-, 2-aminophenyl-, 3-aminophenyl-) are determined. Crystallization of di (2-pyridyl)-1, 3, 4-oxadiazole yielded monoclinic and triclinic polymorphs. The structures are characterized by the occurrence of π–π interactions. Additionally, in case of the aminophenyl compounds intra-as well as intermolecular hydrogen bonds are found that ...

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