“…In the title compound, C(17)H(25)N(3)O(2)S, the terminal and central amide groups are, respectively, twisted and coplanar with the attached benzene ring [O—C—C—C torsion angles = 22.7 (3) and 5.4 (3)°]. …”
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“…The mol­ecules inter­act through cyclic C—H⋯O=C hydrogen bonds.…”
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“…The asymmetric unit of the title compound, C(8)H(10)O(3), contains four mol­ecules, which differ in the orientation of the hy­­droxy­ethyl group [O—C—C—O torsion angles = −168.89 (17), 72.9 (2), −65.8 (2) and 71.8 (2)°], as well as the orientation of the hy­droxy H atoms. …”
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“…An intra­molecular O—H⋯O hydrogen bond occurs in the anion. In the crystal, N—H⋯O, C—H⋯O and C—H⋯F inter­actions are observed, which link the ions into [001] chains.…”
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“…Both mol­ecules are relatively planar, with the mean plane of the acetamide [N—C(=O)C] group being inclined to the mean plane of the acetate group [C—C(=O)O] by 9.23 (13)° in mol­ecule A and 6.23 (12)° in mol­ecule B. …”
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“…In the crystal, a three-dimensional architecture arises as a result of C—H⋯O, C—H⋯π and π–π [centroid–centroid distances involving pyridine rings = 3.5806 (7)–3.7537 (7) Å] interactions.…”
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“…In the crystal, weak C—H⋯O, C—H⋯F and π–π [centroid–centroid distance = 3.6645 (11) Å] inter­actions link the mol­ecules, forming a three-dimensional network.…”
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“…In the crystal, mol­ecules are linked through N—H⋯O=C and N—H⋯N hydrogen bonds into chains along [101]. …”
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“…The title compound, C(11)H(13)NO(6), exhibits an intra­molecular O–H⋯O=C hydrogen bond between the N-hydroxyl H atom and carbonyl O atom of the neighboring acetyl group. …”
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“…In the crystal, mol­ecules are linked by weak C—H⋯O, C—H⋯π and Br⋯π [3.663 (2) Å] inter­actions, resulting in a three-dimensional network. …”
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“…In the crystal, mol­ecules are linked by N—H⋯O=C hydrogen bonds, forming three crystallographically different kinds of infinite hydrogen-bonded chains extending along [001].…”
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“…The meth­oxy groups essentially lie in the plane of the benzene ring to which they are attached, as described by the C—O—C C torsion angles of −176.80 (12) and 4.67 (19)°. …”
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“…The title compound, C(10)H(4)I(2)O(3), is an iodinated 3-formyl­chromone derivative, and the atoms are essentially coplanar [r.m.s. deviation = 0.049 Å, largest deviation from the least-squares plane = 0.111 (9) Å for the CH(=O) C atom]. In the crystal, mol­ecules are linked into a three-dimensional network through halogen bonds [I⋯O = 3.352 (5) and 3.405 (7) Å, C—I⋯O = 144.2 (3) and 154.5 (3)°, and C=O⋯I = 134.9 (6) and 146.0 (6)°], and π–π stacking inter­actions [centroid–centroid distance = 3.527 (6) Å].…”
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“…In the title compound, C(14)H(14)ClNO(4), the dihedral angle between the quinoline ring system (r.m.s. deviation = 0.0142 Å) and ester planes is 18.99 (3)°. The C—O—C—C(m) (m = meth­yl) torsion angle is −172.08 (10)°, indicating a trans conformation. …”
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“…The meth­oxy groups on the benzene ring are essentially coplanar with the ring; the C—C—O—C torsion angles being 1.6 (2) and −177.1 (1)°. …”
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“…The allyl and eth­oxy groups are almost normal to the indazole ring, as indicated by the respective torsion angles [N—N—C—C = 111.6 (2) and C—C—O—C = −88.1 (2)°]. In the crystal, mol­ecules are connected by N—H⋯N hydrogen bonds, forming helical chains propagating along [010]. …”
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“…In the title compound, C(10)H(6)N(4)O(5)S, the mean plane of the non-H atoms of the central amide fragment C—N—C(=O)—C [r.m.s. deviation = 0.0294 Å] forms dihedral angles of 12.48 (7) and 46.66 (9)° with the planes of the thia­zole and benzene rings, respectively. …”
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“…In the title compound, C(13)H(10)BrNO(2), the mean plane of the non-H atoms of the central amide C—N—C(=O)—C fragment (r.m.s. deviation = 0.004 Å) forms a dihedral angle of 73.97 (12)° with the hy­droxy-substituted benzene ring and 25.42 (19)° with the bromo-substituted benzene ring. …”
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“…The crystal structure features C—H⋯O, C—H⋯N, and C—H⋯Cl hydrogen bonds, as well as weak π–π inter­actions [ring-centroid separation = 3.782 (2) and 3.5952 (19) Å], resulting in a three-dimensional architecture.…”
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“…In the title compound, C(9)H(13)Cl(2)NO(2), the piperidine ring shows a chair conformation and the O—C—C—O torsion angle between the carbonyl groups is 183.6 (4)°. …”
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