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(2E)-1-(5-Chloro-thio-phen-2-yl)-3-(2,3-dimeth-oxy-phen-yl)prop-2-en-1-one.

ABSTRACT: In the title compound, C(15)H(13)ClO(3)S, the chloro-thio-phene and dimeth-oxy-phenyl groups are linked by a prop-2-en-1-one group. The C=C double bond exhibits an E conformation. The mol-ecule is non-planar, with a dihedral angle of 31.12?(5)° between the chloro-thio-phene and dimeth-oxy-phenyl rings. The meth-oxy group at position 3 is coplanar with the benzene ring to which it is attached, with a C-O-C-C torsion angle of -3.8?(3)°. The meth-oxy group attached at position 2 of the benzene ring is in a (+)synclinal conformation, as indicated by the C-O-C-C torsion angle of -73.6?(2)°. In the crystal, two different C-H?O inter-molecular inter-actions generate chains of mol-ecules extending along the b axis.

SUBMITTER: Prabhu AN

PROVIDER: S-EPMC3201439 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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(2E)-1-(5-Chloro-thio-phen-2-yl)-3-(2,3-dimeth-oxy-phen-yl)prop-2-en-1-one.

Prabhu A N AN Jayarama A A Sankolli Ravish R Guru Row T N TN Upadhyaya V V

Acta crystallographica. Section E, Structure reports online 20110917 Pt 10

In the title compound, C(15)H(13)ClO(3)S, the chloro-thio-phene and dimeth-oxy-phenyl groups are linked by a prop-2-en-1-one group. The C=C double bond exhibits an E conformation. The mol-ecule is non-planar, with a dihedral angle of 31.12 (5)° between the chloro-thio-phene and dimeth-oxy-phenyl rings. The meth-oxy group at position 3 is coplanar with the benzene ring to which it is attached, with a C-O-C-C torsion angle of -3.8 (3)°. The meth-oxy group attached at position 2 of the benzene ring ...[more]

PMID: 22058781

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(2E)-3-(3,4-Dimeth-oxy-phen-yl)-1-(2,5-dimethyl-thio-phen-3-yl)prop-2-en-1-one.

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Crystal structures of (2E)-1-(3-bromo-thio-phen-2-yl)-3-(2-meth-oxy-phen-yl)prop-2-en-1-one and (2E)-1-(3-bromo-thio-phen-2-yl)-3-(3,4-di-meth-oxy-phen-yl)prop-2-en-1-one.

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3-(2-Chloro-3-hy-droxy-4-meth-oxy-phen-yl)-1-(4,5-dimeth-oxy-2-methyl-phen-yl)prop-2-en-1-one.

Project description:The title compound, C(19)H(19)ClO(5), is a chloro derivative of a biologically significant chalcone family. The mean plane of the two substituted benzene rings are twisted by 55.33?(8)° with respect to each other. An intra-molecular C-H?Cl hydrogen bond generates an S(5) graph-set motif. In the crystal, a bifurcated O-H?(O,O) hydrogen bond leads to an R(1) (2)(5) graph-set motif and to the formation of zigzag chains propagating along the c-axis direction. A weak ?-? inter-action involving the methyl-phenyl rings [centroid-centroid distance = 3.8185?(10)?Å] and C-H?? inter-actions also occur.

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

Project description:In the title compound, C(15)H(10)BrClO, the dihedral angle between mean planes of the bromo- and chloro-substituted benzene rings is 46.2?(2)° compared to 45.20?(9)° in the structure with the Cl substituent in the meta position of the aromatic ring. The dihedral angles between the mean plane of the prop-2-ene-1-one group and the mean planes of the 4-bromo-phenyl and 3-chloro-phenyl rings are 28.7?(5) and 24.2?(4)°, respectively. In the crystal, weak inter-molecular C-H?? inter-actions occur.

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

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