organic compounds
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In the title compound, C16H16ClNO2S2, the piperidine ring is in a chair conformation. In the coumarin ring system, the dihedral angle between the benzene and pyran rings is 3.5 (1)°. In the crystal, a weak C—HO hydrogen bond links molecules into chains along [001]. In addition, π–π stacking interactions are present involving the benzene and pyran rings, with a centroid-to-centroid distance of 3.712 (2) Å. The crystal studied is a nonmerohedral twin with refined components 0.221 (1) and 0.779 (1).
organic compounds
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In the title compound, C19H17NO3S2, the morpholine ring is in a chair conformation. In the coumarin ring system, the dihedral angle between the benzene and pyran rings is 3.9 (1)°. In the crystal, weak C—HO interactions link the molecules into corrugated layers parallel to (102). The crystal packing also exhibits π–π interactions, with distances of 3.644 (1) and 3.677 (1) Å between the centroids of the benzene rings of neighbouring molecules.
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 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, C17H15NO2S2, the 3H-benzo[f]chromene ring system is distinctly twisted; the dihedral angle between the pyran ring and its opposite benzene ring is 9.11 (8)°. The N,N-dimethylcarbamodithioate residue lies almost perpendicular to the pyran ring [dihedral angle = 85.15 (7)°]. In the crystal, weak C—HO hydrogen bonds link the molecules into C(10) chains propagating in [001].
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.