organic compounds
In the title compound, C23H27NO4, a modified synthetic D-homo steroid, the cyclohexene ring adjacent to the aromatic ring adopts a half-chair conformation, while the cyclohexane ring has an ideal chair conformation and the heterocyclic ring has a sofa conformation. The plane of the allyl substituent lies almost perpendicular to the least-squares plane of the heterocyclic ring. The crystal structure contains a series of weak C—HO intermolecular interactions.
organic compounds
The title compound, C21H21N2O+·Br−·0.5H2O, crystallizes in a monoclinic unit cell with two cations, two anions and one water molecule in the asymmetric unit. The conformations of the two independent cations are different. The crystal packing is stabilized by O—HBr and C—HBr interactions and weak intermolecular C—HO hydrogen bonds.
organic compounds
The title compound, C14H18N2O3, is a potential anti-amnesic agent. The pyrrolidine ring is disordered and both major and minor components adopt an envelope conformation. In the solid state, symmetry-related molecules are linked by intermolecular N—HO hydrogen bonds, forming chains with a C(10) graph-set motif. Intermolecular C—HO interactions are also observed.
organic compounds
In the title compound, C22H29NO3, a modified synthetic D-homo steroid, the cyclohexene ring adjacent to the aromatic ring adopts a half-chair conformation, while the cyclohexane ring has an ideal chair conformation. The heterocyclic ring adopts a 14β-sofa conformation. The butyl substituent is nearly planar, this plane lying almost perpendicular to the least-squares plane of the heterocyclic ring. Intermolecular O—HO hydrogen bonds link the molecules into extended chains and the compound also exhibits some weak intermolecular C—HO interactions.
organic compounds
In the title compound, C23H31NO3, a modified synthetic D-homo steroid derivative, the cyclohexene ring adjacent to the aromatic ring adopts a half-chair conformation, while the cyclohexane ring has an ideal chair conformation. The heterocyclic ring adopts a 14α-sofa conformation. The butyl substituent is nearly planar, this plane lying almost perpendicular to the least-squares plane of the heterocyclic ring. The structure displays some weak intermolecular C—HO interactions.
organic compounds
In the title molecule, C21H19N5O9, the dihedral angle between the mean planes of the triazole and pyrazole rings is 82.4 (1)°. In the solid state, symmetry-related molecules are linked by weak intermolecular C—HO and C—HN hydrogen bonds, having a graph-set motif of R22(10), to form chains running parallel to the a axis.
organic compounds
In the title compound, C9H8N2O2S, the H atom of the thiol group has been transferred to the neighbouring N atom of the oxadiazole ring. Intermolecular N—HN hydrogen bonds exist between adjacent molecules.
organic compounds
In the title compound, C19H19Cl2N3O2, the piperidine ring adopts a distorted boat conformation. In the solid state, the molecules exist as O—HN-hydrogen-bonded centrosymmetric dimers.
organic compounds
In the title compound, C19H19Cl2N3O2, the piperidine ring adopts a distorted boat conformation. In the solid state, the molecules exist as O—HN hydrogen-bonded centrosymmetric dimers.
organic compounds
In the title compound, C18H19N3O2·H2O, the piperidine ring adopts a distorted boat conformation. In the solid state, the molecules are linked by intermolecular O—HO and O—HN hydrogen bonds involving water molecules.