Synthesis and characterization of 5-aryl-1,3,4-oxadiazole-2(3h)thione derivatives

The title compounds were synthesized by alkylation of 5-[(4-dimethylamino)phenyl]-1,3,4-oxadiazole-2-thiol with benzyl chloride or 2-chloro-6-fluorobenzyl chloride in the presence of potassium carbonate. The yields of 2-(benzylsulfanyl)-5-[4-(dimethylamino)phenyl]-1,3,4-oxadiazole, C17H17N3OS (I), and 2-[(2-chloro-6-fluorobenzyl)sulfanyl]-5-[4-(dimethylamino)phenyl]-1,3,4-oxadiazole, C17H15ClFN3OS (II), were 96 and 92%, respectively. In the crystal structures of (I) and (II), C–H...π interactions are observed between neighboring molecules. Hirshfeld surface analysis indicates that H...H and H...C/C...H interactions make the most important contributions to the crystal packing.

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Synthesis and characterization of 5-aryl-1,3,4-oxadiazole-2(3h)thione derivatives

Cited by 4 publications

References 10 publications

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