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4-Bromo-N,N,N,N-tetra-ethyl-pyridine-2,6-dicarboxamide
Daniel T de Lill1, Ana de Bettencourt-Dias
1University of Nevada, Reno, Department of Chemistry, 1664 N. Virginia St, Reno, NV 89557-0216, USA.
Abstract:
The title compound, C(15)H(22)BrN(3)O(2), consists of a pyridine ring with a bromine atom in the para position and two diethyl-amide groups in the ortho positions of the ring. Despite the positions of the three substituents on the pyridine ring, the mol-ecule does not exhibit either local or crystallographic twofold symmetry as the two diethyl-amido units exhibit significantly different N(py)-C-C-N(am) torsion angles of 46.3 (4) and 62.7 (4)° (py is pyridine and am is amine). Inter-molecular C-H⋯O inter-actions support the packing.
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The IUPAC and common names of amides are derived from the parent carboxylic acid, by replacing the suffix “oic acid” and “ic acid,” respectively, with “amide.” In the following example, the IUPAC name ethanamide is derived from ethanoic acid, and the common name, acetamide, is obtained from acetic acid.