organic compounds
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In the title compound, C16H15BrO4S, the thiophene ring is not coplanar with the benzene ring; the dihedral angle between the two planes is 11.08 (12)°. The crystal structure is characterized by C—HO interactions. Weak intramolecular C—HO hydrogen bonds also occur.
organic compounds
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In the title compound, C11H11FN4S, the dihedral angle between the 1,2,4-triazole ring and the benzene ring is 25.04 (12)° and an intramoleuclar C—HS interaction leads to an S(6) ring. In the crystal, inversion dimers linked by pairs of N—HS hydrogen bonds generate R22(8) loops.
organic compounds
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In the title compound, C16H17NO3S2, the 2H-chromene ring is close to being planar [maximum deviation = 0.034 (2) Å] and the pyrrolidine ring is twisted about the C—C bond opposite the N atom. The dihedral angle between the ring-system planes is 75.24 (16)° and an intramolecular C—HS interaction occurs. In the crystal, molecules are linked by C—HO hydrogen bonds and the packing also exhibits π–π interactions, with a distance of 3.6106 (13) Å between the centroids of the benzene rings of neighbouring molecules.
organic compounds
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In the title compound, C17H19NO2S2, the 2H-chromene ring system is almost planar, with a maximum deviation of 0.044 (2) Å, and the pyrrolidine ring adopts an envelope conformation. The dihedral angle between the 2H-chromene system and the planar part of the pyrrolidine ring is 83.65 (8)°. A weak intramolecular C—HS hydrogen bond occurs. The crystal structure features C—HO hydrogen bonds and π–π interactions, with a centroid–centroid distance of 3.5728 (16) Å.
organic compounds
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In the asymmetric unit of the title compound, C10H9FN4S, there are two independent molecules in which the dihedral angles between the 1,2,4-triazole and benzene rings are 36.85 (10) and 7.81 (10)°. In the crystal, N—HS interactions link pairs of independent molecules into dimers. There are also π–π interactions between the triazole and benzene rings of inversion-related pairs of the more planar molecule [centroid–centroid distance = 3.6430 (13) Å].
organic compounds
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In the title compound, C17H21NO2S2, the coumarin ring system is nearly planar, with a maximum deviation of 0.080 (2) Å from the mean plane. An intramolecular C—HS hydrogen bond occurs. The crystal structure features C—HS hydrogen bonds and weak π–π interactions with a centroid–centroid distance of 3.679 (1) Å.
organic compounds
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In the title compound, C19H17NO6, the dihedral angle between the 2H-chromene ring system and benzene ring is 5.34 (6)°. A short intramolecular C—HO contact occurs. In the crystal, molecules are linked by N—HO hydrogen bonds, generating C(8) chains propagating in [010]. The chains are linked by C—HO interactions and the packing also exhibits π–π stacking interactions between benzene and pyran rings, with a centroid–centroid distance of 3.676 (9) Å.
organic compounds
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In the title compound, C12H11FN4S, the thiadiazine ring adopts a twist-boat conformation. The dihedral angle between the triazolothiadiazine system and the benzene ring is 10.54 (9)°. The crystal structure is characterized by C—HN hydrogen bonds. The crystal packing also exhibits π–π interactions, with a centroid–centroid distance of 3.6348 (15) Å.
organic compounds
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In the title compound, C20H19N O2S2,the 3Hbenzo-chromene ring system is nearly planar, with a maximum deviation of 0.036 (2) Å, and the piperidine ring adopts a chair conformation: the bond-angle sum for its N atom is 358.7°. The dihedral angle between the 3H-benzo[f]chromene ring and the piperidine ring is 89.07 (8)°. In the crystal, C—HO hydrogen bonds lead to [010] C(6) chains and weak aromatic π–π interactions between the fused pyran ring and fused benzene ring of benzochromene [centroid–centroid distance = 3.652 (1) Å] are also observed.
organic compounds
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In the title compound, C15H14O4, the dihedral angle between the benzene rings is 67.18 (8)°. The Ca—Cm—O—Ca (a = aromatic and m = methylene) torsion angle is 172.6 (3)° and an intramolecular O—HO hydrogen bond generates an S(6) ring. In the crystal, molecules are linked by C—HO hydrogen bonds into zigzag chains propagating in [001] and C—Hπ interactions also occur.
organic compounds
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The asymmetric unit of the title compound, C13H8Br2OS, contains two molecules, in which the dihedral angles between the thiophene and benzene rings are 10.5 (3) and 33.2 (4)°. There are no significant directional interactions in the crystal.
organic compounds
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The asymmetric unit of the title compound, C14H11NO5, contains two independent molecules in which the dihedral angles between the benzene rings are 89.27 (16) and 77.14 (12)°. In the crystal, molecules are linked by O—HO hydrogen bonds, generating C(8) chains propagating in [010] for one molecule and [001] C(8) chains for the other. The chains are connected by C—HO hydrogen bonds and π–π interactions [shortest centroid–centroid distance = 3.5908 (12)°], generating a three-dimensional network.