2-(5-Methoxy-2-methyl-1H-indol-3-yl)-N′-[(1E,2E)-3-phenylprop-2-en-1-ylidene]acetohydrazide
نویسندگان
چکیده
The title compound, C21H21N3O2, adopts a J-shaped conformation which appears to be at least partially directed by a weak intra-molecular C-H⋯N hydrogen bond. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds into R 2 (2)(8) and R 2 (2)(14) cyclic dimers, which form a chain running parallel to the b axis.
منابع مشابه
Catalyst and Solvent-Free Microwave Assisted Expeditious Synthesis of 3-Indolyl-3-hydroxy Oxindoles and Unsymmetrical 3,3-Di(indolyl)indolin-2-ones
A simple and efficient method for the synthesis of 3-indolyl-3-hydroxy oxindoles and unsymmetrical 3,3-di(indolyl)indolin-2-ones using microwave irradiation without catalyst and solvent is described. A series of 3-indolyl-3-hydroxy oxindoles and unsymmetrical 3,3-di(indolyl)indolin-2ones have been synthesized in very short reaction times of 5 and 10 minutes and in yields ranging from 31% to 98%...
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The title compound, C(11)H(13)N(3)S, is close to being planar, with a dihedral angle of 9.64 (3)° between the benzene ring and the thio-semicarbazone mean plane, maintained by the presence of π-conjugation in the chain linking the the two systems. In the crystal, N-H⋯S hydrogen bonds form centrosymmetric dimers through a cyclic association [graph-set R(2) (2)(8)].
متن کاملN′-[(E)-4-(Dimethylamino)benzylidene]-2-(5-methoxy-2-methyl-1H-indol-3-yl)acetohydrazide
In the title compound, C(21)H(24)N(4)O(2), inversion-related mol-ecules are linked into dimers through pairs of N-H⋯O hydrogen bonds, which generate R(2) (2)(8) motifs. As well as dimer formation, an additional N-H⋯O hydrogen bond and two C-H⋯π contacts, involving H atoms from the phenyl ring and the pyrrole and benzene rings of the indole system, generate a three-dimensional network.
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The conformation adopted by the title compound, C20H21N3O3, in the crystal is 'J'-shaped and appears to be at least partially directed by a weak intra-molecular C-H⋯N hydrogen bond. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds, forming dimers with R 2 (2)(8) motifs. Furthermore, these dimers connect to each other via C-H⋯O and N-H⋯O hydrogen bonds to form a three-dimensional ne...
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