4-Ethyl-1-(4-methoxybenzylidene)thiosemicarbazide
نویسندگان
چکیده
In the title compound, C(11)H(15)N(3)OS, the dihedral angle between the aromatic ring and the thio-urea unit is 4.28 (7)° and an intra-molecular N-H⋯N hydrogen bond generates an S(5) ring. In the crystal, mol-ecules are linked into (001) sheets by N-H⋯S hydrogen bonds.
منابع مشابه
Crystal structure of (E)-4-ethyl-2-(4-methoxybenzylidene)-3,4-dihydronaphthalen-1(2H)-one
In the title compound, C20H20O2, the exocyclic C=C double bond has an E conformation. The ethyl substituent on the cyclo-hexa-none ring is in an axial orientation. The cyclo-hexa-none ring adopts a screw-boat conformation, with the methyl-ene C atom and the C atom bearing the 4-meth-oxy-benzyl-idene group displaced from the other atoms by 0.812 (1) and 0.334 (1) Å, respectively. The dihedral an...
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The title compound, C(10)H(13)N(3)S, prepared by the reaction of 4-methyl-benzaldehyde and 4-methyl-thio-semicarbazide, is approximately planar (r.m.s. deviation for the non-H atoms = 0.032 Å). Its conformation is stabilized by an intra-molecular N-H⋯N hydrogen bond, generating an S(5) ring. In the crystal, inversion dimers linked by pairs of N-H⋯S hydrogen bonds occur. Further weak N-H⋯S links...
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There are four independent mol-ecules in the asymmetric unit of the title compound, C(11)H(15)N(3)S(2), with different conformations: the dihedral angles between the benzene rings and thio-urea units are 16.85 (9), 0.56 (10), 8.05 (12) and 4.56 (8)°. Each mol-ecule contains an intra-molecular N-H⋯N hydrogen bond, generating an S(5) ring. The crystal structure is stabilized by inter-molecular N-...
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The title compound, C(17)H(16)N(4)OS, is stabilized in the form of a two-dimensional polymeric network due to inter-molecular N-H⋯S and N-H⋯O hydrogen bonds. An intra-molecular N-H⋯N hydrogen bond forms an S(5) ring, whereas inter-actions of the N-H⋯O and C-H⋯S types complete S(6) ring motifs. π-π inter-actions with a centroid-centroid distance of 3.6514 (10) Å are found between the ethyl-subst...
متن کامل(E)-1-(2-Hydroxy-5-methoxybenzylidene)thiosemicarbazide
In the title mol-ecule, C(9)H(11)N(3)O(2)S, an intra-molecular O-H⋯N hydrogen bond generates an S(6) ring motif. In the crystal, mol-ecules are linked via pairs of N-H⋯S inter-actions, forming inversion dimers with R(2) (2)(8) ring motifs. These dimers are further linked via N-H⋯S and N-H⋯O hydrogen bonds, forming a two-dimensional network lying parallel to (100). The crystal structure is furth...
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