Diethyl 5-[(2-hydroxy-1-naphthyl)methylideneamino]-3-methylthiophene-2,4-dicarboxylate
نویسندگان
چکیده
In the title compound, C(22)H(21)NO(5)S, the 2-naphthol group and the thio-phene ring are almost coplanar, with a dihedral angle of 5.75 (7)°. The structure is stabilized by intra-molecular O-H⋯O, O-H⋯N and C-H⋯S, and inter-molecular C-H⋯O hydrogen-bonding inter-actions.
منابع مشابه
Diethyl 5-acetamido-3-methylthiophene-2,4-dicarboxylate
The title compound, C(13)H(17)NO(5)S, is approximately planar (r.m.s. deviation for the non-H atoms = 0.055 Å). Its conformation is stabilized by N-H⋯O and C-H⋯O hydrogen bonds, which both generate S(6) rings. The crystal packing only features van der Waals contacts.
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In the title mol-ecule, C(18)H(14)N(2)O(3), O-H⋯N and N-H⋯O hydrogen bonds influence the mol-ecular conformation; the benzene and naphthalene planes are inclined at a dihedral angle of 11.54 (5)°. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into chains running in the [01] direction.
متن کامل2-Hydroxy-N′-[(E)-(3-hydroxy-2-naphthyl)methylene]benzohydrazide. Corrigendum
The chemical name of the title compound in the paper by Sun, Li, Wang, Fu & Wang [Acta Cryst. (2009), E65, o262] is corrected and the structural diagram is updated.[This corrects the article DOI: 10.1107/S1600536808044073.].
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The title compound, C(18)H(22)N(2)O(7), was synthesized by the 1,3-dipolar cyclo-addition reaction of but-3-en-2-one, diethyl 2-amino-malonate and 2-nitro-benzaldehyde. In the mol-ecule, the pyrrolidine ring possesses an envelope conformation. Inter-molecular N-H⋯O and C-H⋯O hydrogen bonds are present in the crystal structure.
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