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(E)-3-(4-Chloro-phen-yl)-1-(4-fluoro-phenyl)-prop-2-en-1-one.

ABSTRACT: In the title compound, C(15)H(10)ClFO, the fluoro-substituted benzene ring forms a dihedral angle of 44.41?(6)° with the chloro-substituted benzene ring. The only significant directional bonds in the crystal are weak C-H?? inter-actions.

SUBMITTER: Fun HK

PROVIDER: S-EPMC3295424 | biostudies-literature | 2012 Mar

REPOSITORIES: biostudies-literature

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(E)-3-(4-Chloro-phen-yl)-1-(4-fluoro-phenyl)-prop-2-en-1-one.

Fun Hoong-Kun HK Chia Tze Shyang TS Sapnakumari M M Narayana B B Sarojini B K BK

Acta crystallographica. Section E, Structure reports online 20120210 Pt 3

In the title compound, C(15)H(10)ClFO, the fluoro-substituted benzene ring forms a dihedral angle of 44.41 (6)° with the chloro-substituted benzene ring. The only significant directional bonds in the crystal are weak C-H⋯π inter-actions. ...[more]

PMID: 22412535

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(2E)-1-(3-Chloro-phen-yl)-3-phenyl-prop-2-en-1-one.

Project description:In the title compound, C(15)H(11)ClO, the dihedral angle between the mean planes of the benzene ring and the chloro-substituted benzene ring is 48.8?(3)°. The dihedral angles between the mean plane of the prop-2-ene-1-one group and the mean planes of the 3-chloro-phenyl and benzene rings are 27.0?(4) and 27.9?(3)°, respectively. In the crystal, weak inter-molecular C-H??-ring inter-actions occur.

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(E)-3-(4-Chloro-phen-yl)-1-(2,4-dichloro-5-fluoro-phen-yl)prop-2-en-1-one.

Project description:In the title chalcone derivative, C(15)H(8)Cl(3)FO, the dihedral angle between the two benzene rings is 43.35?(8)°. Weak C-H?O and C-H?Cl intra-molecular inter-actions involving the enone group generate S(5) and S(6) ring motifs, respectively. In the crystal structure, mol-ecules are linked into anti-parallel chains along the a axis. These chains are stacked along the b axis and short Cl?F contacts of 3.100?(1)?Å link adjacent mol-ecules of the anti-parallel chains into dimers.

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(2E)-1-(2,6-Dichloro-3-fluoro-phen-yl)-3-phenyl-prop-2-en-1-one.

Project description:In the title compound, C(15)H(9)Cl(2)FO, the F atom shows positional disorder over two positions, with site-occupancy factors of 0.747?(4) and 0.253?(4). The dihedral angle between the rings is 86.37?(10)°. In the crystal, C-H?O contacts connect the mol-ecules into chains along the c axis. The shortest inter-centroid distance between two aromatic systems is 3.6686?(12)?Å and is apparent between the halogenated rings.

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1-(4-Fluoro-phen-yl)-3-hydr-oxy-3-phenyl-prop-2-en-1-one.

Project description:In the crystal structure the title compound, C(15)H(11)FO(2), the molecule exists in the enol form. It is stabilized by an intra-molecular O-H?O hydrogen bond, in which the donor O-H and acceptor H?O distances are almost equal. The dihedral angle between the two benzene rings is 22.30?(4)°.

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(2E)-3-(2-Fluoro-phen-yl)-1-(4-fluoro-phen-yl)prop-2-en-1-one.

Project description:In the title compouund, C(15)H(10)F(2)O, the mol-ecule exists in an E conformation with respect to the C=C bond [1.3382?(16)?Å]. The dihedral angle between the fluoro-substituted benzene rings is 6.80?(6)° and the whole mol-ecule is roughly planar (r.m.s. deviation for the non-H atoms = 0.069?Å). In the crystal, mol-ecules are linked by C-H?F and C-H?O inter-actions into sheets lying parallel to the bc plane.

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(2E)-1-(3-Chloro-phen-yl)-3-(4-chloro-phen-yl)prop-2-en-1-one.

Project description:The title compound, C(15)H(10)Cl(2)O, is a chalcone with 3-chloro-phenyl and 4-chloro-phenyl substituents bonded at the opposite ends of a propenone group, the biologically active region. The dihedral angle between mean planes of these two chloro-substituted benzene rings is 46.7?(7)° compared to 46.0?(1) and 32.4?(1)° in similar published sructures. The angles between the mean plane of the prop-2-en-1-one group and the mean planes of the 3-chloro-phenyl and 4-chloro-phenyl rings are 24.1?(2) and 29.63°, respectively. While no classical hydrogen bonds are present, weak inter-molecular C-H??-ring inter-actions are observed, which contribute to the stability of crystal packing.

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(E)-3-(2-Chloro-phen-yl)-1-(4-chloro-phen-yl)prop-2-en-1-one.

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3-(4-Fluoro-phen-yl)-1-(4-methoxy-phen-yl)prop-2-en-1-one.

Project description:The title compound, C(16)H(13)FO(2), was prepared from 4-methoxy-hypnone and 4-fluoro-benzophenone by Claisen-Schmidt condensation. All the bond lengths and bond angles are in normal ranges. The dihedral angle formed by the two benzene rings is 33.49?(2)°. The crystal packing is stabilized by inter-molecular C-H?O hydrogen-bonding inter-actions.

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3-(2-Fluoro-phen-yl)-1-(4-methoxy-phen-yl)prop-2-en-1-one.

Project description:The title compound, C(16)H(13)FO(2), was prepared from 4-methoxy-hypnone and 2-fluoro-benzophenone by a Claisen-Schmidt condensation reaction. The dihedral angle between the two benzene rings is 31.99 (2)°. In the crystal structure, mol-ecules are linked by weak inter-molecular C-H⋯O hydrogen bonds along [010].

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