In the title compound, C(9)H(9)Cl(2)N(3)O, the semicarbazone group is approximately planar, with an r.m.s deviation from the mean plane of 0.011 (2) Å. The dihedral angle between the least-squares planes through the semicarbazone group and the benzene ring is 38.76 (9)°. The crystal structure is further stabilized by N-H⋯O and C-H⋯O hydrogen bonding.

In the title compound, [Ni(C8H14N6S2)], the Ni(II) ion is coordinated by N2S2 donor atoms of the tetradentate thio-semicarbazone ligand, and has a slightly distorted square-planar geometry. In the crystal, inversion-related mol-ecules are linked via pairs of N-H⋯N and N-H⋯S hydrogen bonds, forming R 2 (2)(8) ring motifs. Mol-ecules are further linked by slightly weaker N-H⋯N, N-H⋯S and C-H⋯S hy...

In the title compound, C(9)H(10)FN(3)O, the semicarbazone group is nearly planar, with the maximum deviation of 0.044 (1) Å for one of the N atoms. The mean plane of semicarbazone group forms a dihedral angle of 30.94 (4)° with the benzene ring. The mol-ecules are linked into a supra-molecular chain by N-H⋯O hydrogen bonds formed along the c axis. The crystal structure is further stabilized by ...

The search for better antimicrobial agent due to rapid appearance of multidrug resistant microorganism and antimicrobial properties of semicarbazones and 2,5-disubstituted 1,3,4-oxadiazoles prompted us to undertake the synthesis of a few novel N-[5-(4-substitutedphenyl)-1,3,4-oxadiazol-2-yl]-N-(4substitutedbenzaldehyde)-semicarbazone and N-[5-(4-substitutedphenyl)-1,3,4-oxadiazol-2-yl]-N-[1-(4s...

effective methodologies for efficient preparation of semicarbazones from aldehydes or ketones via milling and the subsequent regeneration of the parent carbonyls by gaseous nitrogen dioxide are described under solid-solid and gas-solid reaction conditions, respectively. these methods are fast, simple and environmentally benign which do not require the use of any auxiliaries such as catalysts or...

The purpose of the present study was to synthesize some novel terpenoids substituted N-(1Hbenzimidazol-2-yl) hydrazine-carboxamide derivatives for possible antimicrobial activity. The synthesized compounds were tested against a panel of Gram-negative (Gm-ve), Gram-positive (Gm+ve) bacterial and fungal strains. The results of MIC tests against both type of bacteria revealed that compounds 5a and...

Several heteroaryl semicarbazones were prepared by the reaction of heteroaryl hydrazine carboxamide with aryl aldehydes or ketones. The structures of the synthesized compounds were confirmed by spectral data and elemental analyses. Compounds were tested for anticonvulsant activity utilizing pentylenetetrazole-induced seizure (PTZ) and maximal electroshock seizure (MES) tests at 30, 100 and 300 ...