2,2-Dimethyl-5-{[(4-nitrophenyl)amino]methylidene}-1,3-dioxane-4,6-dione
نویسندگان
چکیده
In the title compound, C(13)H(12)N(2)O(6), the dihedral angle between the benzene ring and the amino-methyl-ene unit is 5.42 (16)°, while the angle between the amino-methyl-ene unit and the dioxane ring is 3.06 (43)°. The dioxane ring shows a half-boat conformation, in which the C atom between the dioxane ring O atoms is 0.464 (10) Å out of the plane. An intra-molecular N-H⋯O hydrogen bond stabilizes the mol-ecular conformation. In the crystal, a three-dimensional framework is built up via inter-molecular N-H⋯O hydrogen bonds.
منابع مشابه
5-(4-Fluorobenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
The title compound, C(13)H(11)FO(4), was prepared by the reaction of 2,2-dimethyl-1,3-dioxane-4,6-dione and 4-fluoro-benz-alde-hyde in ethanol. The 1,3-dioxane ring adopts an envelope conformation. The crystal structure is stabilized by weak inter-molecular C-H⋯O hydrogen bonds.
متن کامل5-[(2-Chloro-4-nitroanilino)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione
In the title compound, C(13)H(11)ClN(2)O(6), the dihedral angles between the benzene ring and the amino-methyl-ene unit and between the amino-methyl-ene group and the dioxane ring are 8.19 (14) and 1.39 (17)°, respectively. The dioxane ring has a half-boat conformation, in which the C atom between the dioxane O atoms is 0.662 (4)Å out of the plane through the remaining ring atoms. Intra-molecul...
متن کامل2,2-Dimethyl-5-[(5-methylfuran-2-yl)methylidene]-1,3-dioxane-4,6-dione
The asymmetric unit of the title compound, C(12)H(12)O(5), contains two independent mol-ecules. In each, the 1,3-dioxane ring adopts an envelope conformation with the dimethyl-substituted C atom forming the flap. The crystal structure is stabilized by weak inter-molecular C-H⋯O hydrogen bonds.
متن کامل5-(4-Hydroxybenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
The title compound, C(13)H(12)O(5), was prepared by the reaction of 2,2-dimethyl-1,3-dioxane-4,6-dione and 4-hy-droxy-benz-alde-hyde in ethanol. The 1,3-dioxane ring is in a distorted boat conformation. In the crystal, inversion dimers linked by pairs of O-H⋯O hydrogen bonds generate R(2) (2)(20) rings.
متن کامل5-(2-Fluorobenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
The title compound, C(13)H(11)FO(4), was prepared by the reaction of 2,2-dimethyl-1,3-dioxane-4,6-dione and 2-fluoro-benzaldehyde in ethanol. In the crystal structure, mol-ecules are linked into chains by weak inter-molecular C-H⋯O hydrogen bonds.
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