Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 1 (January 2013)

organic compounds

Acta Cryst. (2013). E69, o83    [ doi:10.1107/S160053681205012X ]

4-(4-Iodo­anilino)-2-methyl­ene-4-oxo­butanoic acid

P. S. Nayak, B. Narayana, H. S. Yathirajan, T. Gerber, B. van Brecht and R. Betz

Abstract: In the title compound, C11H10INO3, an addition product of itaconic acid anhydride and 4-iodo­aniline, the least-squares planes defined by the atoms of the aromatic moiety and the non-H atoms of the carb­oxy­lic acid group enclose an angle of 74.82 (11)°. In the crystal, classical O-H...O hydrogen bonds formed by carb­oxy­lic groups, as well as N-H...O hydrogen bonds formed by amide groups, are present along with C-H...O contacts. Together, these connect the mol­ecules into dimeric chains along the b-axis direction.

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