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The title compound, C19H12N2O3, was prepared by the reaction of hydrazine and salicylaldehyde with 1,8-naphthoic anhydride in refluxing dimethylformamide. The structure is stabilized by an intramolecular O—H⋯N hydrogen bond and the crystal packing exhibits C—H⋯O hydrogen bonds. The dihedral angle formed by the benzene and naphthalimide systems is 175.9°. [ABSTRACT FROM AUTHOR]

In the title compound, [Cd(N3)2(C10H8N2)2], the cadmium(II) ion is coordinated by two N atoms from two azide groups and four N atoms from two 2,2′-bi­pyridine ligands. The coordin­ation geometry of the cadmium(II) ion is distorted octahedral. The packing is stabilized by intermolecular C—H⋯N hydrogen-bond interactions. [ABSTRACT FROM AUTHOR]

In the title compound, C13H11N3OS2, the dihedral angles between the planes of the triazole and phenyl rings and that through the four NC3 atoms of the C=C are 76. (1) and 57.6 (1)°, respectively. There are some intermolec­ular interactions in the crystal structure. [ABSTRACT FROM AUTHOR]