organic compounds
The title compound, C10H8ClN5O, was synthesized by the reaction of 3-hydrazino-1H-1,2,4-triazole with 2-chlorobenzaldehyde in ethanol. The molecule is nearly planar. In the crystal structure, screw-related molecules form N—HO and N—HN hydrogen bonded chains along the b axis.
organic compounds
The title compound, C12H10N2O2S, was synthesized by the reaction of 2-hydroxybenzoylhydrazine with 2-thiophenecarboxaldehyde in ethanol. The crystal structure involves intermolecular O—HO and intramolecular N—HO hydrogen bonds.
organic compounds
The title compound, C14H11ClN2O2, was synthesized by the reaction of 2-hydroxybenzoylhydrazine with 2-chlorobenzaldehyde in ethanol. The crystal structure involves intermolecular O—HO and intramolecular N—HO hydrogen bonds.
organic compounds
The title compound, C11H11N5O3, was synthesized by the reaction of 3-(1H)-1,2,4-triazole hydrazine with 4-hydroxy-3-methoxybenzaldehyde in ethanol. In the crystal structure, intermolecular N—HO, O—HN and N—HN hydrogen bonds are observed. An intramolecular O—HO hydrogen bond is also found.
organic compounds
The title compound, C10H8FN5O·H2O, was synthesized by the reaction of (1H-1,2,4-triazol-3-yl)hydrazine with 4-fluorobenzaldehyde in ethanol. The molecule is almost planar and in the crystal structure screw-related molecules are linked by N—HO and N—HN hydrogen bonds to form chains along the b axis. The chains are interlinked by the water molecules via O—HN hydrogen bonds.
organic compounds
The title compound, C16H16N2O4, was synthesized by the reaction of 2-hydroxybenzoylhydrazine with 3,4-dimethoxybenzaldehyde in ethanol. The molecule is non-planar and the dihedral angle between the two aromatic rings is 32.76 (7)°. O—HO and C—HO hydrogen bonds link the glide-related molecules into a chain along [101].
organic compounds
The title compound, C10H9N5O2·C2H6O, was synthesized by the reaction of 3-hydrazino-1H-1,2,4-triazole with 2-hydroxybenzaldehyde in ethanol. The crystal structure involves intermolecular O—HO, N—HO and N—HN hydrogen bonds; intramolecular O—HN and N—HN hydrogen bonds are also found.
organic compounds
The title compound, C10H10N6OS, was synthesized by the reaction of 1H-1,2,4-triazol-3-ylhydrazine with phenyl isocyanate in benzene. The molecule is non-planar, the dihedral angle between the two aromatic rings being 62.07 (7)°. N—HO, N—HN and N—HS hydrogen bonds are observed.
organic compounds
The title compound, C20H14N12S2, was synthesized by the reaction of 3-hydrazino-1H-1,2,4-triazole with phenyl isocyanate in benzene and by ring closure in an alkaline medium. Intermolecular N—HN hydrogen bonds are observed and these form a five-membered ring.
organic compounds
The title compound, C17H18N2O2, was synthesized by the reaction of 2-hydroxybenzoylhydrazine with 4-isopropylbenzaldehyde in ethanol. The molecule is non-planar and the dihedral angle between the two aromatic rings is 21.9 (2)°. The crystal structure involves intermolecular O—HO and intramolecular N—HO hydrogen bonds.
organic compounds
In the crystal structure of the title compound, C10H9N5O2, intermolecular N—HN [HN = 2.13 (2) Å] and N—HO [HO = 2.016 (18) and 2.05 (2) Å] hydrogen bonds link molecules into a two-dimensional framework.