N-[(2-Hydroxy-1-naphthyl)(3-nitrophenyl)methyl]acetamide
نویسندگان
چکیده
The title compound, C(19)H(16)N(2)O(4), is of inter-est as a precursor to biologically active substituted quinolines and related compounds. The dihedral angle between the naphthalene ring system and the benzene ring is 81.9 (1)°. The crystal structure is stabilized by N-H⋯O inter-molecular hydrogen bonds, linking the mol-ecules into pairs around a center of symmetry. The crystal structure is further stabilized by inter-molecular O-H⋯O hydrogen bonds, which link the mol-ecules into chains running along a axis. An intra-molecular C-H⋯O short contact is also present.
منابع مشابه
N-[(2-Hydroxy-1-naphthyl)(2-hydroxyphenyl)methyl]acetamide
In the asymmetric unit of the title compound, C(19)H(17)NO(3), there are two crystallographically independent mol-ecules, which are connected to each other by O-H⋯O hydrogen bonds, forming mol-ecular chains as well as cyclic centrosymmetric R(2) (2)(16) dimers.
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In the title compound, C(16)H(16)N(2)O(5), the meth-oxy group is disordered with site occupancies of 0.20 (3) and 0.80 (3). The dihedral angle between the two aromatic rings is 73.7 (2)°. The crystal structure is characterized by intermolecular N-H⋯O, O-H⋯O, C-H⋯O and C-H⋯π hydrogen bonds.
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In the title compound, C(26)H(36)N(3)O(3) (+)·Cl(-)·H(2)O, the mol-ecular structure of the cation is stabilized by a number of C-H⋯O intra-molecular inter-actions. In the crystal structure, O-H⋯Cl and C-H⋯Cl hydrogen bonds link the ions into a ribbon-like structure along the a axis.
متن کامل3-Hydroxy-N′-(5-hydroxy-2-nitrobenzylidene)-2-naphthohydrazide
The mol-ecule of the title compound, C(18)H(13)N(3)O(5), displays an E configuration with respect to the C=N double bond. The dihedral angle between the benzene ring and the naphthyl system is 1.1 (2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H⋯O and O-H⋯O hydrogen bonds, forming a three-dimensional network.
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