Acta Crystallographica Section C

Crystal Structure Communications

Volume 63, Part 4 (April 2007)

organic compounds

fa3062 scheme

Acta Cryst. (2007). C63, o215-o218 [ doi:10.1107/S0108270107005689 ]

1-((E)-{(1R,2R)-2-[(E)-(2-Hydroxy-1-naphthyl)methyleneamino]cyclohexyl}iminiomethyl)naphthalen-2-olate: a Schiff base compound having both OH and NH character

H. Karabiyik, B. Güzel, M. Aygün, G. Boga and O. Büyükgüngör

Abstract: The title Schiff base compound, C₂₈H₂₆N₂O₂, possesses both OH and NH tautomeric character in its molecular structure. While the OH side of the compound is described as an intermediate state, its NH side adopts a predominantly zwitterionic form. The molecular structure of the compound is stabilized by both N⁺-HO^- and O-HN intramolecular hydrogen bonds. There are two weak C-HO hydrogen bonds leading to polymeric chains of topology C(5) and C(13) running along the b axis of the unit cell. In addition, intermolecular C-H [pi] interactions serve to stabilize the extended structure.

Formula: C₂₈H₂₆N₂O₂


	Tagged Image Format File (TIF) image (485.8 kbytes) [ doi:10.1107/S0108270107005689/fa3062sup3.tif ] Supplementary material

	Tagged Image Format File (TIF) image (409.8 kbytes) [ doi:10.1107/S0108270107005689/fa3062sup4.tif ] Supplementary material

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