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N-[6-(Dibromo-meth-yl)-2-pyrid-yl]-2,2-dimethyl-propionamide
Abstract:
In the mol-ecular structure of the title compound, C(11)H(14)Br(2)N(2)O, the dimethyl-propionamide substituent is twisted slightly with respect to the pyridine ring, the inter-planar angle being 12.3 (2)°. The dibromo-methyl group is orientated in such a way that the two Br atoms are tilted away from the pyridine ring. In the crystal structure, mol-ecules are associated into supra-molecular chains by weak C-H⋯O inter-actions. The crystal is further stabilized by weak N-H⋯Br and C-H⋯N inter-actions.
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Nomenclature of Carboxylic Acid Derivatives: Amides and Nitriles
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.
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The IUPAC and common names of acid halides are derived from the corresponding carboxylic acids, by changing “ic acid” to “yl halide.” For example, as shown below, the IUPAC name ethanoyl chloride is derived from ethanoic acid, and the common name, acetyl chloride, is obtained from acetic acid.
Newman Projections
The organic molecules rotate across the single bonds leading to numerous temporary three-dimensional structures of varying energy known as conformers.
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