The asymmetric unit of the title compound, C23H18O3, contains two independent molecules (A and B). Each molecule has essentially the same conformation (r.m.s. deviation of fitted molecules = 0.173 Å) with the aromatic rings twisted in a near perpendicular manner. The dihedral angles between the two naphthalene ring systems are 79.07 (4) and 88.19 (4)° in the two independent molecules. In the crystal, the A molecules are connected by C—H⋯O interactions, forming chains along the b-axis direction. Further C—H⋯O interactions between the H atoms of the methoxy group and the O atoms of the carbonyl units link the A and B molecules, forming a three-dimensional network.
The title molecule, C30H28O6, possesses crystallographically imposed twofold symmetry, with two central C atoms in the naphthalene unit lying on the rotation axis along . The 4-ethoxybenzoyl groups at the peri positions of the naphthalene ring system are disordered over two sets of sites with occupancies of 0.769 (4) and 0.231 (4). They are directed in opposite directions from the naphthalene plane (anti orientation). For the major component, the dihedral angle between the aroyl benzene ring and the naphthalene ring system is 75.62 (13)° [minor component 75.5 (4)°], and that between the aroyl benzene rings is 32.58 (15)°. In the crystal, molecules are linked via C—H⋯O and C—H⋯π interactions, forming a three-dimensional network.
The title benzophenone compound, C14H12O6·H2O, was isolated from the bark of Garcinia hombroniana Pierre (Guttiferae). The molecule is twisted, the dihedral angle between the two benzene rings being 59.13 (7)°. The methoxy group is approximately coplanar with the attached benzene ring, with a C—O—C—C torsion angle of 1.91 (18)°. The water molecule is disordered over two positions in a 0.555 (19):0.445 (19) ratio. An intramolecular O—H⋯O hydrogen bond generates an S(6) ring motif. The crystal structure is stabilized by intermolecular O—H⋯O hydrogen bonds. These interactions link the molecules into sheets parallel to the ac plane. The sheets are stacked along the b axis by π–π interactions, with centroid–centroid distances of 3.6219 (7) Å. A weak O—H⋯π interaction was also noted.
In the molecule of the title compound, C32H24O5, the benzoyl group and the 4-phenoxy substituted benzoyl group at the 1- and 8-positions of the naphthalene ring system are aligned almost antiparallel. The two benzene rings make a dihedral angle of 21.18 (10)°, and are inclined to the naphthalene ring system by 86.53 (9) and 82.95 (8)°, respectively. In the crystal, C—H⋯O interactions are observed involving aromatic and methoxy H atoms with ketonic carbonyl O atoms, as well as C—H⋯π interactions between aromatic H atoms and the π-systems of naphthalene and benzene rings. These interactions form a three-dimensional architecture and afford a waved alignment of the naphthalene ring systems along the c axis.
The title molecule, C23H20O3, is disordered with a 180° rotation about an axis normal to the length of the molecule, with the major and minor components in a 0.545 (5):0.455 (5) ratio. In the major component, the central benzene ring forms dihedral angles of 72.34 (3) and 69.46 (3)° with the dimethyl-substituted and methoxy-substituted benzene rings, respectively. Moreover, the central benzene ring forms dihedral angles of 50.86 (5) and 58.43 (4)° with the mean planes of the ketone groups. In the minor component, the corresponding dihedral angles between the benzene rings are 71.36 (4) and 67.94 (4)° and the dihedral angles between the benzene ring and the ketone groups are 56.44 (9) and 55.51 (8)°. In the crystal, C—H⋯O interactions generate a C(9) chain along the a-axis direction.
The asymmetric unit of the title compound, C17H24O2, contains two independent molecules with different conformations. The least-squares plane through the cyclohexane ring makes dihedral angles of 52.9 (5) and 81.4 (4)° with the benzene ring in the two molecules. The cyclohexane ring adopts a chair conformation in both molecules. In the crystal, weak C—H⋯O hydrogen bonds link molecules related by translation in  into two crystallographically independent chains.
In the title molecule, C10H12N4SO, the triazole ring forms a dihedral angle of 73.0 (5)° with the benzene ring. The methoxy group is approximtely coplanar with the benzene ring with a C C—O—Cmethyl torsion angle of 4.7 (3)°. In the crystal, N—H⋯S hydrogen bonds connect pairs of inversion-related molecules, which are in turn connected by N—H⋯N hydrogen bonds into chains of rings along . Weak C—H⋯O hydrogen bonds connect these chains into a two-dimensional network parallel to (-102).
The asymmetric unit of the title compound, C18H11Br2ClO3, contains two crystallographically independent molecules in which the dihedral angles between the naphthalene ring systems and the benzene rings are 55.64 (11) and 60.50 (11)°. In each molecule, an intramolecular O—H⋯O=C hydrogen bond generates a six-membered ring. In the crystal structure, intermolecular C—H⋯O and C—H⋯Cl hydrogen bonds and two different Br⋯O halogen bonds [2.9850 (19) and 3.2169 (19) Å] are observed.
In the title compound, C21H14ClN3O5, an intramolecular C—H⋯O hydrogen bond generates an S(7) ring motif and the furan and pyrazole rings are almost coplanar, making a dihedral angle of 1.98 (5)°. The pyrazole ring is inclined at dihedral angles of 47.59 (4) and 7.27 (4)° to the chlorophenyl and methoxyphenyl groups, respectively. The nitro group is almost coplanar to its attached furan ring [dihedral angle = 2.03 (12)°]. In the crystal, intermolecular C—H⋯O hydrogen bonds link the molecules into a three-dimensional network. The crystal structure also features short intermolecular O⋯N [2.8546 (12) Å] and Cl⋯O [3.0844 (9) Å] contacts as well as aromatic π–π stacking interactions [centroid–centroid distance = 3.4367 (6) Å].
In the title compound, C30H31NO8, the tetrahydrofuran ring and the six-membered ring fused to it both display envelope conformations, both having the same C atom as the flap. The dihedral angles between the benzene ring of the benzo[d][1,3]dioxole ring system and the other two benzene rings are 53.73 (3) and 83.30 (2)°. An intramolecular N—H⋯O hydrogen bond is present. In the crystal, weak intermolecular C—H⋯O hydrogen bonds link the molecules into chains parallel to the c axis.
The asymmetric unit of the title compound, C20H17NO4, consists of two crystallographically independent molecules. In one of the molecules, the central benzene ring forms dihedral angles of 2.26 (6) and 58.68 (6)° with the terminal benzene rings and the dihedral angle between the terminal benzene rings is 56.45 (6)°. The corresponding values for the other molecule are 35.17 (6), 70.97 (6) and 69.62 (6)°, respectively. In the crystal, an inversion dimer linked by a pair of C—H⋯O hydrogen bonds occurs for one of the unique molecules. C—H⋯π and π–π [centroid–centroid distances = 3.7113 (8) and 3.7216 (7) Å] interactions link the components into a three-dimensional network.
In the title compound, C28H24O6·CHCl3, the two 4-methoxybenzoyl groups at the 1- and 8-positions of the naphthalene ring system are aligned almost antiparallel, the benzene rings making a dihedral angle of 25.76 (7)°. The naphthalene ring system makes dihedral angles of 72.51 (7) and 73.33 (7)° with the benzene rings. In the crystal, the naphthalene molecules are linked by C—H⋯O interactions, forming a helical chain along the b-axis direction. A C—H⋯Cl interaction is also observed between the aroylated naphthalene and chloroform molecules. The chloroform molecule is disordered over two positions with site occupancies of 0.478 (5) and 0.522 (5).
In the title compound, C19H15BrO3, the dihedral angle between the naphthalene ring system and the benzene ring is 62.51 (8)°. The bridging carbonyl C—C(=O)—C plane makes dihedral angles of 47.07 (6)° with the naphthalene ring system and 24.20 (10)° with the benzene ring. A weak intermolecular C—H⋯O hydrogen bond exists between the H atom of one methoxy group and the O atom of the other methoxy group in an adjacent molecule. The crystal packing is additionally stabilized by two types of weak intermolecular interactions involving the Br atom, C—H⋯Br and Br⋯O [3.2802 (14) Å].
In the title compound, C19H16O3, an intramolecular O—H⋯O=C hydrogen bond is formed between the hydroxy and carbonyl groups on the naphthalene ring system, resulting in an S(6) ring. The angles between the C=O bond vector and the least-squares planes of the naphthalene ring system and the benzene ring are 27.63 (6) and 47.99 (7)°, respectively. The dihedral angle between the latter planes is 61.39 (5)°. In the crystal, two molecules are connected by pairs of intermolecular O—H⋯O=C hydrogen bonds, forming centrosymmetric dimers with an R
2(4) graph-set motif. The molecular packing features C—H⋯π interactions.
The title compound, C32H32O6, crystallized with two independent molecules in the asymmetric unit. Each molecule has essentially the same feature of non-coplanar aromatic rings whereby the two 4-isopropoxybenzoyl groups are twisted in a perpendicular manner to the naphthalene ring and oriented in the same direction (syn-orientation). The benzene rings of the aroyl groups make dihedral angles of 16.13 (7) and 25.31 (7)° in the two molecules. These benzene rings make dihedral angles of 88.38 (8) and 75.32 (7)° with the naphthalene ring system in one molecule, and 89.71 (7) and 82.11 (7)° in the other. In the crystal, molecules are linked via C—H⋯O hydrogen bonds, forming a three-dimensional network. In one independent molecule, the 2-propyl groups of both isopropoxy groups are disordered over two positions with site occupancies of 0.512 (3) and 0.488 (3).
The asymmetric unit of the title compound, C24H21FN2O5S, consists of two crystallographically independent molecules. In each molecule, the central dihydropyrimidine ring is significantly puckered and adopts a conformation which is best described as an intermediate between a boat and a screw boat. The least-squares planes of the dihydropyrimidine rings are almost coplanar with the fluoro-substituted benzene rings, making dihedral angles of 9.04 (7) and 6.68 (7)°, and almost perpendicular to the methoxy-substituted benzene rings with dihedral angles of 89.23 (7) and 88.30 (7)°. In the molecular structure, S(6) ring motifs are formed by C—H⋯O and C—H⋯S hydrogen bonds. In the crystal, molecules are linked into a three-dimensional network by intermolecular C—H⋯O and C—H⋯F hydrogen bonds. The crystal structure is further stabilized by a C—H⋯π interaction.
In the title molecule, C28H28O9, the phenol and the benzene rings adjacent to the α,β-unsaturated ketone unit are inclined at 9.15 (13)° to each other. The terminal phenyl ring is oriented with respect to the phenol ring at a dihedral angle of 85.88 (13)°. In the crystal, the methylene C atoms of the dihydrodioxine ring are disordered over two sites with an occupancy ratio of 0.463 (18):0.537 (18), and both disordered components of the dihydrodioxine ring adopt twisted-chair conformations. An intramolecular O—H⋯O hydrogen bond and weak intermolecular C—H⋯O hydrogen bonds are present in the crystal structure.
In the title solvate, C24H24N2O4·CH3NO2, the benzene ring of the 2-ethoxy-6-methylphenol substituent is approximately perpendicular to the nearly planar benzimidazole ring [maximum deviation = 0.021 (2) Å], making a dihedral angle of 84.32 (7)°. The benzene ring of the 2-ethoxyphenol group is somewhat inclined to the benzimidazole ring plane by 28.03 (5)°. The dihedral angle between the benzene rings is 82.20 (9)°. The compound reveals strong intramolecular O—H⋯N and O—H⋯O hydrogen bonds, forming six- and five-membered rings, respectively. In the crystal, molecules are connected by bifurcated O—H⋯(O,O) hydrogen bonds, forming chains along the b axis.
The title compound, C17H19N5O2, features an almost planar purine skeleton (r.m.s. deviation = 0.009 Å) substituted by a tetrahydrofuran ring, which adopts an envelope conformation. The purine and benzene rings subtend a dihedral angle of 66.70 (3)°. In the crystal, pairs of N—H⋯N hydrogen bonds connect adjacent molecules into inversion dimers. C—H⋯N, C—H⋯O, C—H⋯π and π–π interactions [pyrimidine ring centroid–centroid distance = 3.3909 (1) Å] connect the dimers into a three-dimensional architecture.
In the asymmetric unit of the title compound, C18H20N2O5, there are two crystallographic independent molecules. Both molecules are twisted; the dihedral angle between the two benzene rings is 7.2 (5)° in one molecule, whereas it is 85.9 (4)° in the other. Of the three methoxy groups in the 3,4,5-trimethoxyphenyl unit, two methoxy groups at meta positions are approximately coplanar with the benzene plane [C—O—C—C torsion angles of −2.3 (13)–4.8 (11)°], but the other methoxy, at the para position, is out of the plane [C—O—C—C of 72.8 (9)° in one molecule and −77.5 (9)° in the other]. In the crystal, molecules are linked by N—H⋯O hydrogen bonds and weak C—H⋯O interactions into tapes along the b axis. C—H⋯π interactions are also present.
In the title compound, C19H16O3, the dihedral angle between the naphthalene ring system and the phenyl ring is 68.32 (5)°. The bridging carbonyl C—C(=O)—C plane makes a dihedral angle of 54.32 (5)° with the naphthalene ring system and 21.45 (6)° with the phenyl ring. An intermolecular C—H⋯O hydrogen bond exists between the H atom of one methoxy group and the O atom of the second methoxy group in an adjacent molecule. The crystal packing is additionally stabilized by a weak C—H⋯O intermolecular interaction between an H atom of the naphthalene ring and the O atom of the carbonyl group.
The title compound, C15H14N2O4, has two crystallographically independent molecules in the asymmetric unit. In both molecules, the nitro and the two methoxy substituents are coplanar with the benzene rings to which they are attached. The benzene rings are nearly coplanar, with dihedral angles between the two benzene rings of 10.39 (8) and 5.95 (8)° in the two molecules. The two independent molecules in the asymmetric unit are rotated with respect to each other such that the dihedral angles between equivalent benzene rings are 49.11 (8) and 63.93 (8)°. In the crystal structure, intermolecular C—H⋯O hydrogen-bond contacts and a weak C—H⋯π interaction are observed.
In the molecule of the title compound, C18H14O3, there is an intramolecular O—H⋯O=C hydrogen bond between the carbonyl and hydroxy groups on the naphthalene ring system. The angles between the C=O bond vector and the least-squares planes of the naphthalene ring system and the phenyl ring are 30.58 (6) and 42.82 (7)°, respectively, while the dihedral angle between the naphthalene ring system and the phenyl ring is 58.65 (5)°. In the crystal, molecules are connected by pairs of intermolecular O—H⋯O=C hydrogen bonds, forming centrosymmetric dimers.
In the molecule of the title compound, C20H18O4, the dihedral angle between the naphthalene ring system and the benzene ring is 81.74 (5)°. An intermolecular C—H⋯O interaction is formed between an H atom at the 6-position of the naphthalene ring and the O atom of the methoxy group at the 7-position.
The title molecule, C11H12N2OS2, is twisted with a dihedral angle of 83.63 (12)° between the 1,3,4-thiadiazole and benzene rings. The methoxy group deviates slightly from the attached benzene ring, with a C—C—O—C torsion angle of 4.2 (4)°. In the crystal, molecules are linked by weak C—H⋯N interactions and stacked along the c axis.