(E)-2-Cyano-N′-(1,2,3,4-tetrahydronaphthalen-1-ylidene)acetohydrazide
نویسندگان
چکیده
In the title compound, C(13)H(13)N(3)O, the tetra-hydro-benzene ring adopts a half-boat (envelope) conformation. The mean plane of the tetra-hydro-naphthalene ring system forms a dihedral angle of 9.56 (6)° with the mean plane of the cyano-acetohydrazide group. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds generate R(2) (2)(8) loops. The dimers are connected by C-H⋯N hydrogen bonds into a chain propagating along [101]. The crystal packing also features C-H⋯π inter-actions.
منابع مشابه
Methyl 2-((2Z,5Z)-4-oxo-3-phenyl-2-{2-[(1E)-1,2,3,4-tetrahydronaphthalen-1-ylidene]hydrazin-1-ylidene}-1,3-thiazolidin-5-ylidene)acetate
In the title compound, C22H19N3O3S, the six-membered ring of the 1,2,3,4-tetra-hydro-naphthalene ring system adopts an envelope conformation with the central CH2 C atom as the flap. The mol-ecular conformation is stabilized by an S⋯O contact, forming a pseudo-five-membered ring. In the crystal, mol-ecules are linked via C-H⋯O hydrogen bonds into chains propagating along [102].
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In the title compound, C(14)H(14)N(4)O(4), the dihedral angle between the benzene rings is 10.42 (8)°. The nitro groups make dihedral angles of 5.3 (2) and 6.47 (15)° with their parent ring and are oriented at 11.2 (3)° with respect to each other. An intra-molecular N-H⋯O hydrogen bond completes an S(6) ring motif. In the crystal, mol-ecules are linked by C-H⋯O inter-actions, thus forming (010)...
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The mol-ecular structure of the title compound, C(11)H(13)N(3)S, is not planar: the maximum deviation from the mean plane of the non-H atoms is 0.521 (2) Å for an aliphatic C atom, which corresponds to an envelope conformation for the non-aromatic ring. The hydrazinecarbothio-amide substituent and the benzene ring have maximum deviations from the mean planes through the non-H atoms of 0.0288 (1...
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In the title compound, C18H19N3S, the dihedral angle between the planes of the benzene rings is 58.63 (8)°. The six-membered ring bonded to the thio-semicarbazide group (r.m.s. deviation = 0.038 Å) adopts a sofa conformation, with one of the methyl-ene-group C atoms as the flap. A short intra-molecular N-H⋯N contact is observed. In the crystal, mol-ecules are linked by weak N-H⋯S inter-actions ...
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The reaction of Ni(II) acetate tetra-hydrate with the ligand 4-phenyl-2-(1,2,3,4-tetra-hydro-naphthalen-1-yl-idene)hydrazinecarbo-thio-amide in a 2:1 molar ratio yielded the title compound, [Ni(C16H16N3S)2]·2C4H8O·H2O. The deprotonated ligands act as N,S-donors, forming five-membered metallacycles with the metal ion exhibiting a cis coordination mode unusual for thio-semicarbazone complexes. Th...
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