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2-(4-Chloro-phen-yl)-1,5-diphenyl-3-tosyl-imidazolidin-4-one.

ABSTRACT: In the title compound, C(28)H(23)ClN(2)O(3)S, the central imidazolidine ring adopts a twisted conformation and the S atom has distorted tetra-hedral geometry. The crystal packing is stabilized by C-H⋯O, C-H⋯π and π-π inter-actions [centroid-centroid distance = 3.8302 (10) Å].

SUBMITTER: Ranjith S

PROVIDER: S-EPMC3099910 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-[3-(2-Chloro-phen-yl)-5-oxo-1,5-diphenyl-pentyl-idene]malononitrile.

Project description:In the title compound, C(26)H(19)ClN(2)O, the 2-chloro-phenyl group forms dihedral angles of 59.6?(1) and 31.9?(1)° with the phenyl rings. The two phenyl rings are inclined at a dihedral angle of 32.9?(1)° with respect to each other. In the crystal, an inter-molecular C-H?N hydrogen bond links the mol-ecules into a polymeric chain running along the c axis.

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1,5-Bis(4-chloro-phen-yl)-3-(4-methyl-phen-yl)pentane-1,5-dione.

Project description:In the title mol-ecule, C24H20Cl2O2, the central methyl-benzene ring forms dihedral angles of 42.47?(10) and 34.34?(10)° with the terminal 4-chloro-phenyl fragments. The dihedral angle between the chloro-benzene rings is 34.45?(11)°. A weak intra-molecular C-H?O inter-action generates an S(6) ring motif. The crystal packing exhibits weak C-H?O hydrogen bonds and C-H?? inter-actions.

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(2-Chloro-phen-yl)(diphenyl-phosphor-yl)methanol.

Project description:The title compound, C(19)H(16)ClO(2)P, was obtained by the reaction of diphenyl-phosphine oxide with 2-chloro-benzaldehyde. The mol-ecule has a tetra-hedral structure at the P atom. The dihedral angle between the phenyl rings attached to the P atom is 80.4 (1)°. The mol-ecules are linked together by inter-molecular O-H⋯O and C-H⋯O hydrogen-bonding inter-actrions. The crystal studied was an inversion twin.

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1,5-Bis(4-chloro-phen-yl)-3-[4-(dimethyl-amino)phen-yl]pentane-1,5-dione.

Project description:In the title mol-ecule, C(25)H(23)Cl(2)NO(2), the central benzene ring forms dihedral angles of 81.88?(7) and 89.22?(7)° with the two 4-chloro-phenyl fragments. The crystal packing exhibits weak inter-molecular C-H?O hydrogen bonds and ?-? inter-actions [centroid-centroid distance 3.724?(3)?Å].

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1,5-Bis(4-chloro-phen-yl)-3-(2-thien-yl)pentane-1,5-dione.

Project description:In the title mol-ecule, C(21)H(16)Cl(2)O(2)S, the five-membered ring is rotationally disordered between two orientations in a 1:1 ratio. In the crystal structure, weak inter-molecular C-H⋯O hydrogen bonds link mol-ecules related by translation along the a axis into chains, which are further combined into layers parallel to the bc plane via C-H⋯π inter-actions. The crystal studied was a racemic twin with a 0.37 (19):0.63 (19) domain ratio.

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3-(3-Bromo-4-methoxy-phen-yl)-1,5-diphenyl-pentane-1,5-dione.

Project description:In the title compound, C(24)H(21)BrO(3), the central bromo-methoxy-benzene ring forms dihedral angles of 63.6?(1) and 60.3?(1)° with the terminal phenyl rings, while the angle between the two phenyl rings is 25.8?(1)°. The crystal structure is stabilized by weak C-H?Br and C-H?O hydrogen bonds, and C-H?? and ?-? stacking [centroid-centroid distance = 3.910?(3)?Å] inter-actions.

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N-(4-Chloro-phen-yl)-2,2-diphenyl-acetamide.

Project description:In the title compound, C(20)H(16)ClNO, an S(6) ring motif is formed via an intra-molecular C-H⋯O hydrogen bond. The chloro-substituted benzene ring is almost perpendicular to the benzene rings, forming dihedral angles of 87.33 (9) and 88.69 (9)°. The dihedral angle between the benzene rings is 87.17 (9)°. In the crystal, mol-ecules are linked into chains parallel to the c axis by inter-molecular N-H⋯O hydrogen bonds. The crystal packing also features weak C-H⋯π inter-actions involving the chloro-substituted ring.

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4-(4-Chloro-phen-yl)-2,6-diphenyl-pyridine.

Project description:In the title compound, C(23)H(16)ClN, the crystal packing exhibits no significantly short inter-molecular contacts. The benzene rings show a disrotatory arrangement and the angles between them and the pyridine ring range from 20.80 (3) to 37.56 (4)°. The Cl atom deviates by 0.01 (3) Å from the plane of the benzene ring to which it is attached.

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1-(3-Chloro-phen-yl)-3-(1-p-tolyl-imidazolidin-2-yl-idene)urea.

Project description:In the crystal structure of the title compound, C(17)H(17)ClN(4)O, the existence of only one 2-imino-oxo of the five possible N-amino-imino/O-keto-hydr-oxy tautomers is observed and the dihedral angle between the aromatic rings is 29.78 (11)°. The mol-ecular conformation is stabilized by intra-molecular C-H⋯N, N-H⋯O and C-H⋯O hydrogen bonds, in each case generating a six-membered ring. In the crystal structure, the glide-plane-related mol-ecules are linked into C(4) amide chains by inter-molecular N-H⋯O hydrogen bonds, and an inter-molecular C-H⋯O link also occurs.

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meso-4,5-Diphenyl-imidazolidin-2-one.

Project description:The crystal structure determination of the title compound, C(15)H(14)N(2)O, confirms the cis relationship between the phenyl groups at the 4- and 5-positions on the imidazolidine ring. The dihedral angle between the two phenyl rings is 48.14 (6)°. In the crystal structure, inter-molecular N-H⋯O hydrogen bonds link mol-ecules into centrosymmetric dimers. These dimers are, in turn, linked into a two-dimensional network via weak N-H⋯π(arene) inter-actions and π-π stacking inter-actions with centroid-centroid distances of 3.6937 (11) Å.

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