Three ethyl 5-amino-1-aryl-1H-imidazole-4-carboxylates: hydrogen-bonded supramolecular structures in one, two and three dimensions

Marilia S. Costa, Nubia Boechat, Solange M. S. V. Wardell, Victor F. Ferreira, John N. Low, Christopher Glidewell

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2 Citations (Scopus)

Abstract

The molecules of ethyl 5-amino-1-(4-cyanophenyl)-1H-imidazole-4-carboxylate, C13H12N4O2, are linked into a chain of alternating R-2(2)(10) and R-4(4)(34) rings by a combination of N-H center dot center dot center dot N and C-H center dot center dot center dot N hydrogen bonds. In ethyl 5-amino-1-(4-chlorophenyl)-1H-imidazole-4-carboxylate, C12H12ClN3O2, where the ethyl group is disordered over two sets of sites, a combination of N-H center dot center dot center dot O, N-H center dot center dot center dot N, C-H center dot center dot center dot N and C-H center dot center dot center dot pi(arene) hydrogen bonds links the molecules into complex sheets. Two intermolecular hydrogen bonds, one each of N-H center dot center dot center dot N and C-H center dot center dot center dot O types, link the molecules of ethyl 5-amino-1-(2,6-difluorophenyl)-1H-imidazole-4-carboxylate, C12H11F2N3O2, into a continuous three-dimensional framework structure.

Original languageEnglish
Number of pages5
JournalActa Crystallographica Section C-Crystal Structure Communications
Volume63
DOIs
Publication statusPublished - Jan 2007

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