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organic compounds
The title compound, C10H7NO3, has the cyano, carboxylic acid and phenol groups in a trans configuration with respect to the C=C double bond. Intramolecular O—H
N and eight-membered O—HO hydrogen-bonding interactions form an infinite two-dimensional layer structure.
N and eight-membered O—HO hydrogen-bonding interactions form an infinite two-dimensional layer structure. organic compounds
In the title compound, C11H10Cl2O3, the six-membered heterocyclic ring adopts a half-chair conformation. An intermolecular C—HO hydrogen bond and π–π stacking are observed in the crystal structure.
O hydrogen bond and π–π stacking are observed in the crystal structure.organic compounds
In the crystal structure of the title compound, C10H11NO4, O—HO inter- and intramolecular hydrogen bonds are present, as well as intermolecular C—HO interactions.
O inter- and intramolecular hydrogen bonds are present, as well as intermolecular C—HO interactions. organic compounds
In the title compound, C8H9ClO3, intermolecular O—HO hydrogen bonds and π–π interactions are highly effective in forming the three-dimensional supramolecular network, thereby stabilizing the crystal structure.
O hydrogen bonds and π–π interactions are highly effective in forming the three-dimensional supramolecular network, thereby stabilizing the crystal structure.organic compounds
In the title compound, C19H20N4O3S, three intramolecular hydrogen bonds and π–π stacking are observed in the crystal structure.
organic compounds
In the title compound, C12H10N2·H2O, intermolecular O—HN hydrogen bonds are highly effective in forming a one-dimensional chain. In addition, the presence of C—HO hydrogen bonds helps to build a three-dimensional supramolecular network, thereby stabilizing the crystal structure.
N hydrogen bonds are highly effective in forming a one-dimensional chain. In addition, the presence of C—HO hydrogen bonds helps to build a three-dimensional supramolecular network, thereby stabilizing the crystal structure.organic compounds
In the crystal structure of the title compound, C23H26N2O4, the six-membered heterocyclic ring adopts a half-chair conformation. Intermolecular hydrogen bonds are present.
organic compounds
The molecular structure of the title compound, C19H14ClNO3S, contains a 4-oxothiazolidine ring in a near planar geometry.
metal-organic compounds
The title compound, (C18H24N4O)[ZnCl4], a tetrachlorozincate(II) salt of 4-tert-butyl-2,6-bis[(imidazol-1-yl)methyl]phenol, has the phenol H atom linked to one of the Cl atoms. The two imidazole rings adopt cis configurations with respect to the phenol plane. In the crystal structure, a hydrogen-bond-sustained three-dimensional supramolecular network is formed.
organic compounds
In the crystal structure of the title compound, C16H14N2O2S, intermolecular C—HO and C—HN hydrogen bonds and π–π stacking interactions are observed.
O and C—HN hydrogen bonds and π–π stacking interactions are observed.organic compounds
The title compound, C14H19NO4S, an intermediate for the synthesis of the pentacyclic antitumour alkaloid camptothecin, has been crystallographically characterized. The crystal structure is stabilized by intra- and intermolecular hydrogen bonds.
organic compounds
In the crystal structure of the title compound, C21H19ClN2O4·0.65H2O, the dihedral angle formed by the bicyclic benzopyran system and the chlorobenzene ring is 55.1 (2)°. In the crystal structure, molecules are linked into molecular tapes through weak C—HO hydrogen bonds.
O hydrogen bonds.organic compounds
In the crystal structure of the title compound, C10H6Br2O2, centrosymmetric hydrogen-bonded dimers are formed via C—HO hydrogen bonds. π–π stacking interactions involving these dimers are also observed.
O hydrogen bonds. π–π stacking interactions involving these dimers are also observed.
