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

ABSTRACT: 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.

SUBMITTER: Guo HM

PROVIDER: S-EPMC2971945 | biostudies-literature | 2009 Nov

REPOSITORIES: biostudies-literature

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

Guo Huan-Mei HM Liu Le-Qing LQ Yang Jie J Jian Fang-Fang FF

Acta crystallographica. Section E, Structure reports online 20091118 Pt 12

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. ...[more]

PMID: 21578842

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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

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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(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.

| S-EPMC2979640 | biostudies-literature

(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 π-π inter-actions with a centroid-centroid distance of 3.7098 (6) Å. C-H⋯O and C-H⋯π inter-actions are formed between neighbouring mol-ecules.

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

Project description:In the title compound, [Fe(C(5)H(5))(C(15)H(13)O(2))], a conjugated substituent group bridges a five-membered ?(5)-C(5)H(4) ring and a benzene ring. In the ferrocene unit, the substituted (Cps) and unsubstituted (Cp) cyclo-penta-dienyl rings are eclipsed and almost parallel [Cps-Fe-Cps angle = 176.1?(2)°]. The mol-ecule is linked into an S(5) motif via intra-molecular C-H?O hydrogen bonds. The mol-ecules are arranged into a three-dimensional framework by five inter-molecular C-H?O hydrogen bonds and one inter-molecular C-H??(Cps) inter-action.

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(Z)-3-(9-Anthr-yl)-1-(4-methoxy-phen-yl)prop-2-en-1-one.

Project description:The title chalcone derivative, C(24)H(18)O(2), which consists of the substituted 4-methoxy-phenyl and anthracene rings bridged by the prop-2-en-1-one unit, exists in a cis configuration. The mol-ecule is twisted, the inter-planar angle between the benzene and anthracene rings being 69.50 (10)°. The meth-oxy group is coplanar with the attached benzene ring [C-O-C-C angle = 2.9 (3)°]. In the crystal structure, mol-ecules are linked into chains along the a axis by a weak C-H⋯O(enone) inter-action. The chains are stacked along the c axis. A C-H⋯π inter-action involving the benzene ring is observed.

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A monoclinic polymorph of 1-(4-chloro-phen-yl)-3-(4-methoxy-phen-yl)prop-2-en-1-one.

Project description:The crystal structure of the title compound, C(16)H(13)ClO(2) (II), (space group P2(1)/c,) is a polymorph of the structure, (I), reported by Harrison, Yathirajan, Sarojini, Narayana & Indira [Acta Cryst. (2006), E62, o1647-o1649] in the ortho-rhom-bic space group Pna2(1). The dihedral angle between the mean planes of the 4-chloro- and 4-meth-oxy-substituted benzene rings is 52.9 (1)° in (II) compared to 21.82 (6)° for polymorph (I). The dihedral angles between the mean planes of the prop-2-en-1-one group and those of the 4-chloro-phenyl and 4-methoxy-phenyl rings are 23.3 (3) and 33.7 (1)°, respectively. in (II). The corresponding values are 17.7 (1) and 6.0 (3)°, respectively, in polymorph (I). In the crystal, weak C-H⋯π inter-actions are observed.

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1-(6-Chloro-2-methyl-4-phenyl-quinolin-3-yl)-3-(3-methoxy-phen-yl)prop-2-en-1-one.

Project description:In the title compound, C(26)H(20)ClNO(2), the quinoline ring system is approximately planar with a maximum deviation of 0.028 (2) Å and forms a dihedral angle of 73.84 (5)° with the phenyl ring. Two neighbouring mol-ecules are arranged into a centrosymmetric dimer through a pair of inter-molecular C-H⋯Cl inter-actions. A pair of inter-molecular C-H⋯O hydrogen bonds link two methoxy-phenyl groups into another centrosymmetric dimer, generating an R(2) (2)(8) ring motif. The structure is further stabilized by C-H⋯π inter-actions.

| S-EPMC2979994 | biostudies-literature

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