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

ABSTRACT: 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.

SUBMITTER: Zhao PS

PROVIDER: S-EPMC2969700 | biostudies-literature | 2009 May

REPOSITORIES: biostudies-literature

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

Zhao Pu-Su PS Wang Xian X Guo Huan-Mei HM Jian Fang-Fang FF

Acta crystallographica. Section E, Structure reports online 20090529 Pt 6

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. ...[more]

PMID: 21583247

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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].

| S-EPMC2971992 | biostudies-literature

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

Project description:The title compound, C(16)H(13)ClO(2), adopts an E configuration with respect to the double bond of the propenone unit. The two benzene rings are twisted slightly from each other, making a dihedral angle of 7.14?(5)°. The mol-ecules are arranged in stacks, in which adjacent mol-ecules are related by inversion symmetry and form ?-? inter-actions with a centroid-centroid distance of 3.7098?(6)?Å. C-H?O and C-H?? inter-actions are formed between neighbouring mol-ecules.

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(E)-3-(2,6-Dichloro-phen-yl)-1-(4-methoxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(16)H(12)Cl(2)O(2), the dichloro-phenyl and methoxy-phenyl groups are linked by a prop-2-en-1-one group. The C=C double bond is trans configured. The mol-ecule is not planar, as can be seen from the dihedral angle of 6.21?(7)° between the planes of the two rings. The crystal structure can be described by two types of crossed layers which are parallel to (110) and (10).

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

Project description:The title mol-ecule, C(16)H(13)ClO(2), is trans with respect to the C=C double bond. The dihedral angles between the mean plane of the prop-2-en-1-one unit and those of the 3-chloro- and 4-meth-oxy-substituted benzene rings are 20.93?(9) and 20.42?(10)°, respectively, and the dihedral angle between the mean planes of the two benzene rings is 40.96?(5)°. The crystal structure is stabilized by weak inter-molecular C-H?O hydrogen bonds, forming chains along the b axis.

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3-(4-Methoxy-phen-yl)-1-(2-pyrrol-yl)prop-2-en-1-one.

Project description:The title mol-ecule, C(14)H(13)NO(2), is almost flat with a dihedral angle of 8.0?(1)° between the pyrrole and benzene rings. The central C(3)O ketone unit has an s-cis conformation and is also coplanar with a torsion angle of -0.6?(3) °. An intra-molecular C-H?O hydrogen bond generates an S(5) ring motif. In addition, the meth-oxy group is coplanar with the attached benzene ring. In the crystal structure, neighboring mol-ecules are paired through N-H?O hydrogen bonds into centrosymmetric dimers with an R(2) (2)(10) motif.

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3-(4-Methoxy-phen-yl)-1-(2-nitrophen-yl)prop-2-en-1-one.

Project description:The title compound, C(16)H(13)NO(4), was prepared from 2-nitrylhypnone [systematic name: 1-(2-nitrophenyl)ethanone] and 4-methoxy-benzophenone by a Claisen-Schmidt condensation. The dihedral angle formed by the two benzene rings is 80.73 (2). The crystal packing is stabilized by inter-molecular C-H⋯O hydrogen bonds.

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

Project description:The title compound, C(16)H(13)FO, adopts an E configuration with respect to the C=C bond of the propenone unit. The dihedral angle between the two benzene rings is 47.0?(5)°. Intra-molecular C-H?O hydrogen bonds generate an S(5) ring motif. In the crystal structure, mol-ecules are packed into columns along the c axis and the structure is stabilized by weak intra-molecular C-H?O hydrogen bonds and inter-molecular C-H?? inter-actions involving both aromatic rings.

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1-(2-Fluoro-phen-yl)-3-(2,4,6-trimeth-oxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(18)H(17)FO(4), the dihedral angle between the aromatic rings is 32.29?(8)°. The C atoms of the meth-oxy groups deviate from their attached ring plane by 0.018?(2), -0.006?(2) and -0.094?(2)?Å. In the crystal, C-H?O hydrogen bonds link the mol-ecules into C(6) [001] chains.

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

Project description:The title compound, C(15)H(10)F(N)O(3), was prepared from 2-nitro-acetphenone and 4-fluoro-benzaldehyde by an Aldol condensation reaction. The dihedral angle formed by the two benzene rings is 67.37?(2)°. The crystal structure is stabilized by weak inter-molecular C-H?O and C-H?F hydrogen bonds.

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