Crystal Structure Determinations of 4-(Anilinomethylene)tetrahydrothiophene-3-one and N-Phenyl-2,5-dihydrothiophene-3-carboxamide.
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چکیده
منابع مشابه
Crystal structure of 4-[(3-methylbut-3-enoyl)oxy]phenyl 4-n-hexyloxybenzoate
The structure of the title compound, C23H26O5 or CH2=C(CH3)-C(O)O-C6H4-O(O)C-C6H4-OC6H13, has been determined. The mol-ecule is non-planar and the dihedral angle between the phenyl rings is 50.72 (4)°. The crystal packing differs from those typical for mesogenic compounds. Only a weak directional inter-action of the C-H⋯O type combines mol-ecules in endless chains running along the a axis.
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In the title compound C18H20N2O2, the morpholine ring adopts a chair conformation with the exocyclic N-C bond in an equatorial orientation. The N atom of the morpholine ring and the C atom of the carbonyl group are in an anti conformation about the central C-C bond [torsion angle = -162.92 (11)°] and the dihedral angle between the planes of the benzene ring and the pyridine ring is 83.30 (5)°. ...
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In the title compound, C(24)H(21)ClN(4)O(2), the pyrazole ring makes dihedral angles of 7.70 (11), 89.17 (11) and 40.68 (11)° with the phenyl, pyridine and ethoxy-phenyl rings, respectively. There are some intra-molecular C-H⋯O and C-H⋯π bonds giving rigidity to the mol-ecule, while weak inter-molecular N-H⋯N and C-H⋯π hydrogen bonds link the mol-ecules into a two-dimensional structure.
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ژورنال
عنوان ژورنال: Acta Chemica Scandinavica
سال: 1980
ISSN: 0904-213X
DOI: 10.3891/acta.chem.scand.34a-0359