Crystal structure ofN′′-(2-ethoxy-2-oxoethyl)-N,N,N′,N′-tetramethyl-N′′-[3-(1,3,3-trimethylureido)propyl]guanidinium tetraphenylborate
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Crystal structure of 2-(4-chlorophenyl)-2-oxoethyl 3-bromobenzoate
2-(4-Chloro-phen-yl)-2-oxoethyl 3-bromo-benzoate, C15H10BrClO3, was synthesized in a single-step reaction by condensation of 3-bromo-benzoic acid with 2-bromo-1-(4-chloro-phen-yl)ethanone in di-methyl-formamide in the presence of tri-ethyl-amine as a catalyst. The structure consists of an aryl ketone moiety linked to an aryl ester unit by a methyl-ene group. Both units are reasonably planar (r....
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Isolated guanidinium ions and tetra-phenyl-borate ions are present in the crystal structure of the title compound, C(11)H(22)N(3)O(2) (+)·C(24)H(20)B(-). In the guanidinium ion, the dihedral angle between the N/C/N and C/C/C planes being 49.9 (1)°. The six-membered ring exhibits a half-chair conformation. The C-N bond lengths in the cation range between 1.3335 (16) and 1.3552 (16) Å, indicating...
متن کاملN′-(3-Ethoxy-2-hydroxybenzylidene)benzenesulfonohydrazide
There are two mol-ecules in the asymmetric unit of the title compound, C(15)H(16)N(2)O(4)S, both of which are stabilized by an intra-molecular O-H⋯N hydrogen bond. Inter-molecular N-H⋯O hydrogen bonds lead to [101] chains of mol-ecules in the crystal structure.
متن کاملCrystal structure of 2-(4-acetylanilino)-2-oxoethyl 3-(4-hydroxyphenyl)propionate
In the title compound, C19H19NO5, the amide carbonyl O atom is positioned anti to the other two carbonyl O atoms. The 4-hy-droxy-hydro-cinnamate fragment is disordered over two positions with an occupancy ratio of 0.729 (12):0.271 (12). The N-(C=O)-C plane of the acetamide group and the acetate O-(C=O)-C plane are almost co-planar; the acetamide plane makes dihedral angles of 1.9 (6) and 16.0 (...
متن کامل2-(4-Methylphenyl)-2-oxoethyl 3-bromobenzoate
The mol-ecule of the title compound, C16H13BrO3, is built of two approximately planar fragments, viz. 3-bromo-benzoate [maximum deviation = 0.055 (2) Å and 2-oxo-2-p-tolyl-ethyl [maximum deviation = 0.042 (2) Å], inclined by 46.51 (7)°. In the crystal, weak C-H⋯O hydrogen bonds and Br⋯Br contacts [3.6491 (7) Å] connect the mol-ecules into infinite layers parallel to (-221).
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Crystallographic Communications
سال: 2015
ISSN: 2056-9890
DOI: 10.1107/s2056989015023142