organic compounds
The title compound, C21H21N3O3, is a neutral potentially tridentate ligand in an enamine-keto form, stabilized by an intramolecular N—HO hydrogen bond. There are two molecules in the asymmetric unit.
metal-organic compounds
The AgI atom in the title compound, [Ag(C5H6N2)2]2(C8H4O4)·10H2O, shows linear coordination. The cation and centrosymmetric anion interact indirectly via the non-coordinated water molecules, to furnish a tightly held three-dimensional structure.
organic compounds
The molecule of the title compound, C6H14N4O4, possesses a crystallographically imposed centre of symmetry. In the crystal packing, the molecules are linked via weak intermolecular C—HO hydrogen bonds into a sheet-like structure parallel to the (10) plane.