Acta Crystallographica Section C

Crystal Structure Communications

Volume 60, Part 6 (June 2004)

fr1477 scheme

Acta Cryst. (2004). C60, o458-o460 [doi:10.1107/S0108270104010832]

3-Hydroxy-6-[(4-hydroxyphenylamino)methylene]cyclohexa-2,4-dienone and 2-hydroxy-6-[(4-hydroxyphenylamino)methylene]cyclohexa-2,4-dienone

B. Kosar, O. Büyükgüngör, Ç. Albayrak and M. Odabasoglu

Abstract: The title compounds, both C₁₃H₁₁NO₃, exist as the keto-amine tautomers, and the formal hydroxyl H atoms, which display strong intramolecular hydrogen bonds, are located on the N atoms. This is a verification of the preference for the keto-amine tautomeric form in the solid state. The 2-hydroxy isomer has two independent molecules, with the molecules linked by intramolecular N-HO and O-HO and intermolecular O-HO hydrogen bonds into three-dimensional networks.

Formula: Two isomers of C₁₃H₁₁NO₃

Online 31 May 2004


	Structure factor file (CIF format) (119.4 kbytes) Contains datablock I

	Structure factor file (CIF format) (220.7 kbytes) Contains datablock II

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