2006•Acta Crystallographica Section E Structure Reports OnlineRequires access

2-[4-(Diethylamino)-2-hydroxybenzoyl]-3,4,5,6-tetrafluorobenzoic acid

Fanyong Yan, Fengyan Ge, Wang Jin-peng, Xilong Yan, Guoyi Bai

Abstract

The title compound, C18H15F4NO4, is an intermediate in the synthesis of tetrafluororhodamine. The dihedral angle between the benzene rings is 73.5 (3)°. There is an intramolecular O—H...O hydrogen bond. In addition, the structure is stabilized by intermolecular O—H...O hydrogen bonds.

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Key concepts: Intramolecular force, Dihedral angle, Hydrogen bond, Intermolecular force, Benzene, Chemistry, Crystallography, Medicinal chemistry