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Updated: May 13, 2026

Protocol for the Synthesis of Ortho-trifluoromethoxylated Aniline Derivatives
Published on: January 19, 2016
Anilinium-3-carboxyl-ate 3-carb-oxy-anilinium nitrate
Saeed Ahmad1, Sajjad Hussain, Shahzad Sharif
1Department of Chemistry, University of Engineering and Technology, Lahore 54890, Pakistan.
Abstract:
The title compound, C7H8NO2(+)·NO3(-)·C7H7NO2, exists in the form of a protonated dimer of two anilinium-3-carboxyl-ate mol-ecules related by an inversion center, and a nitrate anion located on a twofold rotation axis. The bridging H atom occupies, with equal probability, the two sites associated with the carboxyl atoms. In addition to the strong O-H⋯O hydrogen bond, in the crystal, the various units are linked via N-H⋯O and C-H⋯O hydrogen bonds forming a three-dimensional structure.
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