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

ABSTRACT: The title compound, C(13)H(9)ClO(2), adopts an E configuration with respect to the C=C double bond of the propenone unit. The benzene and furyl rings are twisted slightly from each other, making a dihedral angle of 6.47 (7)°. Intra-molecular C-H⋯O and C-H⋯Cl hydrogen bonds generate an S(5)S(5)S(5) ring motif. In the crystal structure, mol-ecules are stacked along the b axis and weak inter-molecular C-H⋯O hydrogen bonds are observed.

SUBMITTER: Fun HK

PROVIDER: S-EPMC2962097 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1-(4-Chloro-phen-yl)-3-(5-methyl-2-fur-yl)prop-2-en-1-one.

Project description:The title compound, C(14)H(11)ClO(2), was prepared from 4-chloro-hypnone and 5-methyl-furfural by an aldol condensation reaction. The dihedral angle formed between the two benzene rings is 7.71?(2)°. The crystal structure is stabilized by C-H?O inter-actions.

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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.

Project description:The title compound, C(15)H(10)Cl(2)O, adopts an E configuration with respect to the C=C bond of the propenone unit. The dihedral angle between the two benzene rings is 32.4?(1)°. Intra-molecular C-H?O and C-H?Cl hydrogen bonds generate an S(5)S(5)S(5) motif. In addition, the crystal structure is stabilized by weak inter-molecular C-H?O hydrogen bonds.

| S-EPMC2961505 | biostudies-literature

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

Project description:In the title mol-ecule, C(13)H(9)ClO(2), the benzene and furyl rings are slightly twisted from each other with a dihedral angle of 5.1?(1)°. An intra-molecular C-H?O hydrogen-bond inter-action generates an S(5) ring motif. In the crystal structure, mol-ecules are stacked along the b axis and the crystal packing is stabilized by weak inter-molecular C-H?O hydrogen bonds.

| S-EPMC2962155 | biostudies-other

1-(4-Chloro-phen-yl)-3-(3,4-dimethyl-phen-yl)prop-2-en-1-one.

Project description:The title compound, C(17)H(15)ClO, was prepared from 3,4-dimethyl-benzaldehyde and 4-chloro-hypnone by Aldol condensation. The dihedral angle formed by the two benzene rings is 48.91 (8)°. Only van der Waals forces affect the packing.

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(E)-3-(3,4-Dimethoxy-phen-yl)-1-(2-fur-yl)prop-2-en-1-one.

Project description:In the title mol-ecule, C(15)H(14)O(4), the benzene and furyl rings are inclined to each other with a dihedral angle of 41.5?(1)°. An intra-molecular C-H?O hydrogen-bond inter-action generates an S(5) ring motif. In the crystal structure, mol-ecules are stacked along the b axis and the crystal packing is stabilized by inter-molecular C-H?O and C-H?? inter-actions. In addition, ?-? stacking inter-actions with a centroid-to-centroid distance of 3.5855?(11)?Å are observed.

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(E)-3-(2-Fur-yl)-1-(2-hydroxy-phen-yl)prop-2-en-1-one.

Project description:In the title mol-ecule, C(13)H(10)O(3), an intra-molecular O-H?O hydrogen bond influences the mol-ecular conformation, and the benzene and furan rings form a dihedral angle of 8.35?(7)°. Weak inter-molecular C-H?O hydrogen bonds link mol-ecules into sheets parallel to the bc plane.

| S-EPMC2959741 | biostudies-literature

(E)-1-(4-Bromo-phen-yl)-3-(2-fur-yl)prop-2-en-1-one.

Project description:In the title compound, C(13)H(9)BrO(2), the benzene and furan rings form a dihedral angle of 44.35?(14)°. The crystal packing exhibits no significantly short inter-molecular contacts.

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

Project description:In the title chalcone derivative, C(15)H(9)Cl(3)O, the dihedral angle between the 2-chloro-phenyl and 2,4-dichloro-phenyl rings is 41.79?(14)°. Weak C-H?O and C-H?Cl intra-molecular inter-actions involving the enone unit generate S(5) ring motifs. In the crystal structure, the mol-ecules are arranged in a head-to-tail manner along the a axis. These chains are stacked along the b axis.

| S-EPMC2961590 | 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 ?-? 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.

| S-EPMC2962150 | biostudies-literature

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