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2-[2-(2,6-Dichloro-anilino)phen-yl]-N-[(2S)-2-methyl-3-oxo-8-phenyl-1-thia-4-aza-spiro-[4.5]dec-4-yl]acetamide.

ABSTRACT: In the title compound, C(29)H(29)Cl(2)N(3)O(2)S, the phenyl ring is disordered over two orientations with occupancies of 0.55 (3) and 0.45 (3). The mol-ecular packing in the crystal is stabilized by inter-molecular N-H⋯O inter-actions, linking the mol-ecules into infinite chains along the c axis. In addition, there are weak C-H⋯S and C-H⋯π inter-actions.

SUBMITTER: Akkurt M

PROVIDER: S-EPMC2983948 | biostudies-literature |

REPOSITORIES: biostudies-literature

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N-(3-Oxo-1-thia-4-aza-spiro-[4.5]dec-4-yl)-6-phenyl-imidazo[2,1-b][1,3]thia-zole-3-acetamide hemihydrate.

Project description:The title compound, C(21)H(22)N(4)O(2)S(2)·0.5H(2)O, crystallizes with two mol-ecules in the asymmetric unit. The dihedral angles between the phenyl and imidazothiazole ring systems are 19.16 (9) and 21.37 (9)°. In the imidazothiazole ring systems, the cyclohexane rings adopt chair conformations, while the thiazole rings have distorted envelope conformations. The two mol-ecules are stabilized by intra-molecular N-H⋯O, O-H⋯O and C-H⋯S inter-actions and the crystal structure is stabilized by inter-molecular N-H⋯O, O-H⋯O, C-H⋯O and C-H⋯N inter-actions.

| S-EPMC2961240 | biostudies-literature

N-(2,6-Dimethyl-3-oxo-1-thia-4-aza-spiro-[4.5]dec-4-yl)-2-hydr-oxy-2,2-di-phenyl-acetamide.

Project description:In the title compound, C(24)H(28)N(2)O(3)S, the pendant methyl C atom bonded to the cyclo-hexane ring is disordered over two sites in a 0.580?(11):0.420?(11) ratio. The cyclo-hexane ring adopts a distorted chair conformation while the thia-zolidine ring has an envelope conformation. The two phenyl rings make a dihedral angle of 71.8?(2)° with each other. The conformation is stabilized by an intra-molecular N-H?O hydrogen bond. In the crystal structure, an inter-molecular hydrogen bond O-H?O occurs.

| S-EPMC2959300 | biostudies-literature

5-Fluoro-N-(2-methyl-3-oxo-1-thia-4-aza-spiro-[4.5]dec-4-yl)-3-phenyl-1H-indole-2-carboxamide.

Project description:In the title compound, C24H24FN3O2S, the 1,3-thia-zolidine ring adopts an envelope conformation with the S atom as the flap, while the cyclo-hexane ring is in a chair conformation. In the crystal, mol-ecules are linked by N-H?O and C-H?F hydrogen bonds, forming a three-dimensional network. The unit cell contains six voids of 57?Å(3), but the residual electron density (highest peak = 0.23?e?Å(-3) and deepest hole = -0.19?e?Å(-3)) in the difference Fourier map suggests no solvent mol-ecule occupies this void.

| S-EPMC3793733 | biostudies-literature

4-(Pyrimidin-2-yl)-1-thia-4-aza-spiro-[4.5]decan-3-one.

Project description:The title compound, C(12)H(15)N(3)OS, features an envelope conformation for the 1,3-thia-zolidin-4-one ring with the S atom as the flap atom. The pyrimidine ring is almost orthogonal to the 1,3-thia-zolidin-4-one ring as indicated by the N-C-C-N torsion angle of -111.96?(18)°. Supra-molecular dimers are formed in the crystal structure through the agency of C-H?O contacts occurring between centrosymmetrically related mol-ecules. These are linked into supra-molecular tapes along [100] via C-H?S contacts.

| S-EPMC2971766 | biostudies-literature

3-(2,4-Dichloro-phen-yl)-2-oxo-1-oxa-spiro-[4.5]dec-3-en-4-yl 4-chloro-benzoate.

Project description:In the title spiro-diclofen derivative, C(22)H(17)Cl(3)O(4), the cyclo-hexane ring adopts a chair conformation [four C atoms are planar with a mean deviation of 0.018 Å and the two C atoms at the flap positions deviate by 0.613 (4) and -0.668 (5) Å from the plane]. The dihedral angles between the furan ring and the two benzene rings are 55.78 (3) and 49.92 (3)°. Weak inter-molecular C-H⋯Cl inter-actions are observed in the crystal structure.

| S-EPMC2971930 | biostudies-literature

4-Phenyl-1,2,4-tri-aza-spiro-[4.5]dec-1-ene-3-thione.

Project description:In the title compound, C13H15N3S, the 4,5-di-hydro-3H-1,2,4-triazole ring is nearly planar [maximum deviation = 0.020?(1)?Å], while the cyclo-hexane ring adopts a chair conformation. The dihedral angle between the 4,5-di-hydro-3H-1,2,4-triazole ring and the phenyl ring is 74.68?(7)°. No specific inter-molecular inter-actions are discerned in the crystal packing.

| S-EPMC3793756 | biostudies-literature

2-[6-(4-Bromo-phen-yl)imidazo[2,1-b][1,3]thia-zol-3-yl]-N-[8-(4-hy-droxy-phen-yl)-2-methyl-3-oxo-1-thia-4-aza-spiro-[4.5]decan-4-yl]acetamide ethanol disolvate.

Project description:In the title compound, C(28)H(27)BrN(4)O(3)S(2)·2C(2)H(6)O, the cyclo-hexane ring adopts a chair conformation. The imidazo[2,1-b][1,3]thia-zole ring system is essentially planar with a dihedral angle of 1.1 (2)° between the thia-zole and imidazole rings. The mean plane of this ring system makes dihedral angles of 8.11 (16) and 79.43 (17)°, respectively, with the bromo- and hy-droxy-substituted benzene rings. In the 5-methyl-1,3-thia-zolidin-4-one group, the S atom, the methyl group and the ring C atoms bonded to them are disordered over two sets of sites with refined occupancies of 0.610 (19) and 0.390 (19). The crystal structure features N-H⋯O, O-H⋯O, O-H⋯N and C-H⋯O hydrogen bonds and C-H⋯π inter-actions. Furthermore, two weak π-π stacking inter-actions [centroid-centroid distances = 3.967 (3) and 3.892 (2) Å] are also observed.

| S-EPMC3344614 | biostudies-literature

8-Methyl-4-morpholinoethyl-1-thia-4-aza-spiro-[4.5]decan-3-one.

Project description:In the title compound, C(15)H(26)N(2)O(2)S, the cyclo-hexane and morpholine rings adopt chair conformations, while the thia-zole ring has a twist conformation. An intra-molecular C-H⋯S hydrogen-bond inter-action forms a five-membered ring. The crystal packing involves C-H⋯O=C inter-molecular inter-actions where carbonyl O atoms act as double acceptors to two symmetrically related H atoms.

| S-EPMC2962192 | biostudies-literature

4-Benzyl-8-phenyl-1-thia-4-aza-spiro-[4.5]decan-3-one.

Project description:In the title compound, C(21)H(23)NOS, the thia-zolidine ring adopts a twist conformation about one of its C-S bonds, while the cyclo-hexane ring has a chair conformation. The S and N atoms attached to the spiro C atom are in axial and equatorial orientations, respectively. The thia-zolidine ring forms dihedral angles of 86.24 (14) and 31.82 (15)° with the directly attached and remote terminal benzene rings, respectively. The dihedral angle between the two terminal benzene rings is 86.74 (14)°. In the crystal, the only significant directional inter-action is a weak C-H⋯π bond, which generates [010] chains.

| S-EPMC3344557 | biostudies-literature

2-(2,6-Dichloro-phen-yl)-N-(1,3-thia-zol-2-yl)acetamide.

Project description:In the title compound, C11H8Cl2N2OS, the mean plane of the dichloro-phenyl ring is twisted by 79.7 (7)° from that of the thia-zole ring. In the crystal, molecules are linked via pairs of N-H⋯N hydrogen bonds, forming inversion dimers which stack along the a-axis direction.

| S-EPMC3629579 | biostudies-literature

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