In the title compound, C20H15ClFNO, the dihedral angles between the mean planes of the acetamide group and the chlorofluoro-substituted benzene ring and the two phenyl rings are 10.8 (8), 81.9 (7) and 85.8 (5)°, respectively. The crystal packing is stabilized by N—H⋯O hydrogen bonds and weak C—H⋯O intermolecular interactions, forming infinite chains along the c axis.
In the title compound, C15H10Cl3NO2, an intramolecular N—H⋯O hydrogen bond forms a six-membered ring and enforces an almost coplanar conformation for the acetamido group, the central benzene ring and the bridging carbonyl C—C(=O)—C group: the dihedral angles between the benzene ring and the acetamide and carbonyl C—C(=O)—C planes are 7.06 (11) and 7.17 (12)°, respectively. The dihedral angle between the two benzene rings is 67.43 (9)°. Because a strong hydrogen-bond donor is involved in the intramolecular interaction, the crystal packing is determined by weak C—H⋯O and C—H⋯Cl interactions.
In the title molecule, C24H21ClN4OS2, the central 1,2,4-triazole ring forms dihedral angles of 89.05 (9), 86.66 (9) and 82.70 (10)° with the chloro-substituted benzene ring, the methylsulfanyl-substituted benzene ring and the phenyl ring, respectively. In the crystal, molecules are linked into sheets parallel to (100) by intermolecular N—H⋯N and weak C—H⋯O hydrogen bonds.
The title compound, C8H7ClN2O2, is an intermediate in the synthesis of 5-chloroisatin, which can be further transformed to 5-chloro-2-indolinone via a Wolff–Kishne reduction. The C2N acetamide plane forms a dihedral angle of 6.3 (3)° with the benzene ring. An intramolecular C—H⋯O interaction results in the formation of a six-membered ring. In the crystal, intermolecular N—H⋯O, N—H⋯N and O—H⋯O hydrogen bonds link the molecules into multimers, forming sheets.
In the title molecule, C23H22N2OS, the diphenylacetyl and ethylbenzene groups adopt a trans–cis conformation, respectively, with respect to the S atom across the (S=)C—N bonds. This conformation is stabilized by an intramolecular N—H⋯O hydrogen bond and a weak C—H⋯S hydrogen bond. The ethyl-substituted benzene ring forms dihedral angles of 87.53 (15) and 73.94 (15)° with the phenyl rings. In the crystal, N—H⋯O hydrogen bonds link molecules into chains along . A weak C—H⋯π interaction is also observed.
In the title compound, C25H26N2OS, the diethyl-substituted benzene ring forms dihedral angles of 67.38 (9) and 55.32 (9)° with the terminal benzene rings. The molecule adopts a trans–cis conformation with respect to the orientations of the diphenylmethane and 1,3-diethylbenzene groups with respect to the S atom across the C—N bonds. This conformation is stabilized by an intramolecular N—H⋯O hydrogen bond, which generates an S(6) ring. In the crystal, pairs of N—H⋯S hydrogen bonds link the molecules into inversion dimers, forming R
2(6) loops. The dimer linkage is reinforced by a pair of C—H⋯S hydrogen bonds, which generate R
2(8) loops. Weak C—H⋯π and π–π [centroid–centroid seperation = 3.8821 (10) Å] interactions also occur in the crystal structure.
In the title compound, C17H13ClN2O2·H2O, the dihedral angle between the quinoline ring system and the benzene ring is 13.0 (1)°. An intramolecular N—H⋯O hydrogen bond may influence the molecular conformation. In the crystal structure, acetamide molecules are linked to water molecules via intermolecular O—H⋯ N and N—H⋯O hydrogen bonds and in turn linked into chains along  via O—H⋯O hydrogen bonds.
In the title compound, C20H15F2NO, the mean plane of the acetamide group makes dihedral angles of 88.26 (6), 78.30 (7) and 9.83 (6)° with the two terminal benzene rings and difluoro-substituted benzene ring, respectively. One F atom is disordered over two orientations rotated by 180°, with a site-occupancy ratio of 0.557 (2):0.443 (2). An intramolecular C—H⋯O hydrogen bond generates an S(6) ring motif. In the crystal, molecules are linked via N—H⋯O hydrogen bonds into chains along the c axis. The crystal structure is further consolidated by C—H⋯π interactions.
The asymmetric unit of the title compound, C8H8ClNO3S, consists of two crystallographically independent molecules (A and B). The dihedral angles between the benzene ring and amide C—C(=O)—NH– plane are 87.6 (3) (molecule A) and 86.0 (3)° (molecule B). In the crystal, the independent molecules are alternately linked by N—H⋯O hydrogen bonds into an infinite chain along the b axis. Short intermolecular Cl⋯Cl contacts [3.2882 (5) and 3.2812 (5) Å] are also observed.
In the title compound, C32H26Cl2N2O3, the piperidone ring adopts a chair conformation and the proline and pyrrolidine rings adopt envelope conformations. The indane ring system is essentially planar with an r.m.s. deviation of 0.011 Å for the non-H atoms. The dihedral angle between the two chloro-substituted benzene rings is 63.69 (10)°. Intramolecular C—H⋯O and N—H⋯O hydrogen bonds may influence the molecular conformation. In the crystal structure, molecules are connected into layers by weak intermolecular C—H⋯O hydrogen bonds.
The title compound, C15H10Cl2O, adopts an E configuration with respect to the C=C bond of the propenone unit. The dihedral angle between the two benzene rings is 32.4 (1)°. Intramolecular C—H⋯O and C—H⋯Cl hydrogen bonds generate an S(5)S(5)S(5) motif. In addition, the crystal structure is stabilized by weak intermolecular C—H⋯O hydrogen bonds.
In the title compound, C14H14ClN3OS, the 4,6-dimethylpyrimidine ring and the chlorobenzene ring subtend a dihedral angle of 80.0 (2)°. The length of the Csp
2—S bond is significantly shorter than that of the Csp
3—S bond. The crystal structure is stabilized by intermolecular N—H⋯O, C—H⋯O and C—H⋯N hydrogen bonding, and C—H⋯π interactions.
The asymmetric unit of the title compound, C21H25ClN2O, contains four crystallographically independent molecules, which differ mainly in the orientation of the isobutyl groups. The benzene rings are almost orthogonal to each other, forming dihedral angles of 87.40 (6), 88.69 (6), 84.88 (6) and 85.12 (6)° in the four molecules. The crystal structure is stabilized by intermolecular N—H⋯O and C—H⋯O hydrogen bonds, together with C—H⋯π interactions.
In the title molecule, C15H11Br2ClO2, an S(6) ring motif is formed via an intramolecular O—H⋯O hydrogen bond. The dihedral angle formed between the chloro- and hydroxy-substituted benzene rings is 34.10 (15)°. In the crystal, weak intermolecular C—H⋯O hydrogen bonds link the molecules into chains along the c axis.
In the title compound, C24H19ClN2O3S, the sulfonyl-bound benzene ring forms dihedral angles of 38.1 (2) and 81.2 (1)°, respectively, with the formyl benzene and benzene rings. The molecular conformation is stabilized by a weak intramolecular C—H⋯O hydrogen bond, which generates an S(5) ring motif. The crystal packing is stabilized by C—H⋯O hydrogen bonds, which generate C(7) zigzag chains along  and R
3(19) ring motifs along . The crystal packing is further stabilized by C—Cl⋯π interactions [Cl⋯centroid = 3.456 (2) Å and C—Cl⋯centroid = 173.4 (2)°].
In the title compound, C15H10ClNO4S, the benzothiazole ring system is essentially planar [maximum deviation = 0.0382 (13) Å for the N atom] and forms a dihedral angle of 74.43 (6)° with the chloro-substituted benzene ring. In the crystal structure, weak intermolecular C—H⋯O hydrogen bonds form R
2(10) and R
2(16) ring motifs
In the title compound, C14H13NO, which has two molecules in the asymmetric unit, the dihedral angles between the mean planes of the benzene rings are 84.6 (7) and 85.0 (6)°. N—H⋯O hydrogen bonds [forming R
2(8) ring motifs] and C—H⋯O hydrogen bonds dominate the crystal packing, forming zigzag chains parallel to the a axis. In addition, weak intermolecular C—H⋯π interactions are observed.
The asymmetric unit of the title compound, C29H29ClO11, contains two independent molecules of similar geometry, both adopting an E conformation about the C=C double bond. The dihedral angles formed by benzene rings are 10.73 (16) and 13.79 (18)°. The pyranoside rings adopt a chair conformation. Intramolecular C—H⋯O close contacts occur. The crystal packing is stabilized by intermolecular C—H⋯O hydrogen bonds.
The asymmetric unit of the title compound, C11H12Cl2N2OS, contains two crystallographically independent molecules with different conformations: the benzene ring and the thiourea fragment form dihedral angles of 74.32 (11) and 89.39 (11)°. One amino group in each molecule is involved in intramolecular N—H⋯O and intermolecular N—H⋯O hydrogen bonding: the latter links pairs of independent molecules into dimers. In the crystal, weak N—H⋯S interactions link these dimers into chains propagating along the c axis.
In the title compound, C26H25Cl2NO2, the piperidine ring adopts a chair conformation with a cis configuration of the carbonyl and hydroxy substituents. The dihedral angle between the aromatic rings of the chlorobenzene groups is 24.3 (2)°. The phenyl ring forms dihedral angles of 59.4 (3) and 44.1 (3)° with the benzene rings. In the crystal, molecules are linked by intermolecular O—H⋯N and C—H⋯O hydrogen bonds and C—H⋯π interactions into layers parallel to the bc plane.
In the title molecule, C24H18ClNO6S, the heterocyclic thiazine ring adopts a half-chair conformation with the S and N atoms displaced by 0.406 (5) and 0.444 (5) Å, respectively, on opposite sides of the mean plane formed by the remaining ring atoms. The methoxybenzoyl and the chlorophenyl rings lie roughly parallel to each other, with a dihedral angle between the mean planes of these rings of 8.86 (10)°. The molecular structure is consolidated by intramolecular O—H⋯O and C—H⋯O interactions and the crystal packing is stabilized by intermolecular O—H⋯O and C—H⋯Cl hydrogen bonds.
In the title compound, C13H9BrClNO, the dihedral angle between the substituted benzene rings is 43.90 (11)°. Strong intramolecular O—H⋯N hydrogen bonds generate S(6) ring motifs. The crystal structure features short intemolecular Br⋯Br [3.554 (2) Å] and Cl⋯Cl [3.412 (2) Å] contacts. The crystal packing is further stabilized by intermolecular C—H⋯O and C—H⋯π interactions.
The title compound, C15H10Cl2O, is a chalcone with 3-chlorophenyl and 4-chlorophenyl substituents bonded at the opposite ends of a propenone group, the biologically active region. The dihedral angle between mean planes of these two chloro-substituted benzene rings is 46.7 (7)° compared to 46.0 (1) and 32.4 (1)° in similar published sructures. The angles between the mean plane of the prop-2-en-1-one group and the mean planes of the 3-chlorophenyl and 4-chlorophenyl rings are 24.1 (2) and 29.63°, respectively. While no classical hydrogen bonds are present, weak intermolecular C—H⋯π-ring interactions are observed, which contribute to the stability of crystal packing.
In the title compound, C13H10ClN3O3, prepared by the reaction of 1-chloro-3-isocyanatobenzene with 4-nitrobenzenamine, the two substituent benzene rings are roughly coplanar [inter-ring dihedral angle = 8.70 (7)°]. In the crystal, molecules make cyclic intermolecular associations through two urea–nitro N—H⋯O hydrogen bonds, forming a chain structure [give chain direction] in which there are also weak intermolecular C—H⋯Cl interactions. The urea O atom has only intramolecular aromatic ring C—H⋯O associations.
In the title molecule, C24H20Cl2O2, the central methylbenzene ring forms dihedral angles of 42.47 (10) and 34.34 (10)° with the terminal 4-chlorophenyl fragments. The dihedral angle between the chlorobenzene rings is 34.45 (11)°. A weak intramolecular C—H⋯O interaction generates an S(6) ring motif. The crystal packing exhibits weak C—H⋯O hydrogen bonds and C—H⋯π interactions.