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1,3-Dibenzyl-imidazolidine-2-thione.

ABSTRACT: In the title compound, C(17)H(18)N(2)S, the imidazolidine ring adopts a twisted conformation. In the crystal, mol-ecules are linked by slipped π-π inter-actions between the benzene rings of neighbouring mol-ecules [centroid-to-centroid distance = 3.903 (2) Å].

SUBMITTER: Mietlarek-Kropidlowska A

PROVIDER: S-EPMC3414971 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1,3-Dibenzyl-2-(2-chloro-phen-yl)-4-methyl-imidazolidine.

Project description:In the title compound, C24H25ClN2, the methine, methyl-ene and methyl C atoms of the methyl-substituted imidazolidine ring are disordered over two sets of sites with a refined occupancy ratio of 0.834?(4):0.166?(4). Each disordered ring assumes an envelope conformation with an N atom as the flap. The pendant benzyl rings are oriented equatorially with respect to the imidazolidine ring. The chloro-phenyl ring is inclined to the mean plane of the four planar atoms of the major component of the imidazolidine ring by 76.27?(12)°. The dihedral angles between the chloro-phenyl ring and the two benzyl rings are 55.31?(9) and 57.50?(8)°; the dihedral angle between these latter rings is 71.59?(9)°. In the crystal, mol-ecules are linked by C-H?Cl inter-actions and a number of weak C-H?? inter-actions, involving all three aromatic rings, forming a three-dimensional structure.

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1,3-Bis(1-phenyl-eth-yl)imidazolidine-2-thione.

Project description:The complete molecule of the title compound, C(19)H(22)N(2)S, is generated by crystallographic twofold symmetry with the C=S group lying on the rotation axis. The imidazolidine ring adopts a flattened twist conformation. The dihedral angle between the asymmetric part of the imidazolidine-2-thione fragment and the benzene ring is 89.49?(17)°.

| S-EPMC3344125 | biostudies-literature

trans-4,5-Dihydr-oxy-1,3-diphenyl-imidazolidine-2-thione.

Project description:In the title compound, C(15)H(14)N(2)O(2)S, the five-membered ring adopts an envelope conformation and the two hydr-oxy groups lie on opposite sides of the ring. The six-membered rings are oriented at a dihedral angle of 22.63?(3)°. In the crystal structure, inter-molecular O-H?S and O-H?O hydrogen bonds link the mol-ecules into a two-dimensional network.

| S-EPMC2970456 | biostudies-other

1,3-Bis(1-cyclo-hexyl-eth-yl)imidazolidine-2-thione.

Project description:The complete mol-ecule of the title compound, C(19)H(34)N(2)S, is generated by crystallographic twofold symmetry, with the C=S group lying on the rotation axis. A short C-H?S contact occurs in the mol-ecule. The five-membered ring is twisted and the cyclo-hexyl ring adopts a chair conformation. The dihedral angle between the mean plane of the five-membered ring and the basal plane of the cyclo-hexyl ring is 75.32?(13)°.

| S-EPMC3295511 | biostudies-other

1-Methyl-3-phenyl-imidazolidine-2-thione.

Project description:The asymmetric unit of the title cyclic thio-urea derivative, C10H12N2S, comprises two mol-ecules, each of which has a twist about the CH2-CH2 bond within the five-membered ring. The major difference between the independent mol-ecules is manifested in the relative orientations of the five- and six-membered rings [dihedral angles between the least-squares planes = 28.03 (11) and 41.54 (11)°]. A network of C-H⋯π inter-actions consolidates the three-dimensional crystal packing.

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trans-4,5-Dihydr-oxy-1,3-bis-(4-methoxy-phen-yl)imidazolidine-2-thione.

Project description:In the title compound, C(17)H(18)N(2)O(4)S, where one of the N-4-methoxy-phenyl fragments is disordered over two sets of sites, the five-membered ring exhibits a nearly half-chair conformation and the two hydroxyl groups lie on opposite sides of the five-membered ring. In the crystal, the mol-ecules are linked into sheets parallel to (100) via O-H?O and O-H?S hydrogen bonds.

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Penta-carbon-yl(imidazolidine-2-thione-?S)tungsten(0).

Project description:In the title complex, [W(C(3)H(6)N(2)S)(CO)(5)], the W atom displays an octa-hedral coordination with five CO mol-ecules and an imidazolidine-2-thione mol-ecule. The W(CO)(5) unit is coordinated by the cyclic thione ligand through a W-S dative bond. The W-S and C-S bond lengths are 2.599?(2) and 1.711?(9)?Å, respectively. This last distance is significantly longer than that of free cyclic thio-ureas. The geometry of the title compound suggests sp(3)-hybridization of the S atom caused by the greatly polarized linkage W-S-C bond angle, which is close to tetra-hedral [109.50?(3)°]. In the crystal packing, N-H?O and N-H?S hydrogen-bonding inter-actions stabilize the structure and build up chains parallel to [101].

| S-EPMC2979448 | biostudies-literature

1-[5-(Dimethyl-amino)-1-naphthylsulfon-yl]imidazolidine-2-thione.

Project description:In the title mol-ecule, C(15)H(17)N(3)O(2)S(2), the dihedral angle between the naphthalene ring system and the imidazole ring is 89.63?(2)°. The crystal structure is stablized by weak inter-molecuar C-H?? and N-H?? inter-actions.

| S-EPMC3007268 | biostudies-literature

1,3-Dicyclo-hexyl-imidazolidine-2,4,5-trione.

Project description:The title compound, C(15)H(22)N(2)O(3), has been isolated as a by-product of an oxidative cleavage of the C-C bond linking two five-membered rings of 1,3-dicyclo-hexyl-5-(3-oxo-2,3-dihydro-benzofuran-2-yl)imidazolidine-2,4-dione. Individual mol-ecular units are engaged in weak C=O⋯C=O inter-actions [O⋯C = 2.814 (10) and 2.871 (11) Å], leading to the formation of supra-molecular chains which close pack, mediated by van der Waals contacts, in the bc plane.

| S-EPMC3238900 | biostudies-literature

1,3-Dibenzyl-1H-benzimidazol-2(3H)-one.

Project description:In the mol-ecular structure of the title compound, C(21)H(18)N(2)O, the fused-ring system is essentially planar, the largest deviation from the mean plane being 0.0121 (9) Å. The O atom and adjacent C atom are located in Wyckoff position 4e on a twofold axis (0, y, 1/4). The two benzyl groups are almost perpendicular to the benzimidazole plane, but point in opposite directions. The dihedral angle between the benzimidazole mean plane and the phenyl ring is 81.95 (5)°, whereas that between the two benzyl groups is 60.96 (7)°.

| S-EPMC3238894 | biostudies-literature

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