Crystal structure of 3,5 - dinitro - 2 - pyridone , C5H3NO(NO2)2
نویسندگان
چکیده
منابع مشابه
Crystal structure of 2,6-dimethyl-4-pyridone hemihydrate
The title compound (systematic name: 2,6-dimethyl-1H-pyridin-4-one hemihydrate), C7H9NO·0.5H2O, has a single planar mol-ecule in the asymmetric unit with the non-H atoms possessing a mean deviation from planarity of 0.021 Å. There is also half of a water mol-ecule present in the asymmetric unit. In the crystal, infinite (001) sheets are formed by N-H⋯O and O-H⋯O hydrogen bonds.
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from Wittig-type reactions is a quite useful tool in synthetic organic chemistry, provided that an olefinic product is easily isolable.1 During our exploration of coupling reactions between phthalimide and phosphorane to prepare bioactive phthalimidine derivatives, the inevitably-formed triphenylphosphine oxide was found to mingle with the expected product, making the isolation difficult. Recen...
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attracted considerable interest in recent years, especially in relation to homeostases of lifeforms. Among such recognitions, hydrogen bonding is the most frequently evaluated, since it is indispensable for nucleic acid derivatives to hybridize and function. The key components in hydrogen-bond formations of biomolecules are defined as amide (or lactam) structures. Previously, on the acylation o...
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The crystal structure of the title compound, C(6)H(7)NO, is stabilized by inter-molecular N-H⋯O hydrogen bonds, resulting in inversion dimers. The structure is further consolidated by weak C-H⋯O hydrogen bonds.
متن کامل2-Pyridone: monoclinic polymorph
The asymmetric unit in the title compound, C(5)H(5)NO, comprises two independent but virtually identical mol-ecules of 2-pyridone, and represents a monoclinic polymorph of the previously reported ortho-rhom-bic (P2(1)2(1)2(1)) form [Penfold (1953 ▶). Acta Cryst.6, 591-600; Ohms et al. (1984 ▶). Z. Kristallogr.169, 185-200; Yang & Craven (1998 ▶). Acta Cryst. B54, 912-920]. The independent mol-e...
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 2006
ISSN: 2197-4578,1433-7266
DOI: 10.1524/ncrs.2006.221.14.183