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Crystal structure of 2,2-dimethyl-N-(5-methyl­pyridin-2-yl)propanamide

There are two mol­ecules in the asymmetric unit of the title compound, C(11)H(16)N(2)O. The pyridine rings and amide groups overlap almost perfectly (r.m.s. overlay fit = 0.053 Å), but the tertiary butyl groups have different orientations: in one mol­ecule, one of the methyl C atoms is syn to the am...

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Detalles Bibliográficos
Autores principales: El-Hiti, Gamal A., Smith, Keith, Hegazy, Amany S., Alanazi, Saud A., Kariuki, Benson M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4459364/
https://www.ncbi.nlm.nih.gov/pubmed/26090202
http://dx.doi.org/10.1107/S2056989015009378
Descripción
Sumario:There are two mol­ecules in the asymmetric unit of the title compound, C(11)H(16)N(2)O. The pyridine rings and amide groups overlap almost perfectly (r.m.s. overlay fit = 0.053 Å), but the tertiary butyl groups have different orientations: in one mol­ecule, one of the methyl C atoms is syn to the amide O atom [O—C—C—C = −0.8 (3)°] and in the other the equivalent torsion angle is 31.0 (2)°. In the crystal, the two independent mol­ecules are linked by a pair of N—H⋯N hydrogen bonds in the form of an R (2) (2)(8) loop to form a dimer. A C—H⋯O inter­action connects the dimers into [100] chains.