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5-Bromo-2-phenyl-3-phenyl-sulfinyl-1-benzofuran.

ABSTRACT: In the title compound, C(20)H(13)BrO(2)S, the O atom and the phenyl group of the phenyl-sulfinyl substituent are located on opposite sides of the plane of the benzofuran system. The S-bound phenyl ring is almost perpendicular to this plane [80.35?(8)°]. The phenyl ring in the 2-position is twisted with respect to the benzofuran plane, making a dihedral angle of 16.0?(1)°.

SUBMITTER: Choi HD

PROVIDER: S-EPMC2971280 | BioStudies | 2009-01-01

REPOSITORIES: biostudies

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5-Chloro-2-phenyl-3-phenyl-sulfinyl-1-benzofuran.

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Project description:The title compound, C(15)H(12)O(2)S, was prepared by the oxidation of 2-methyl-3-phenyl-sulfanyl-1-benzofuran with 3-chloro-peroxy-benzoic acid. The O atom and the phenyl group of the phenyl-sulfinyl substituent lie on opposite sides of the plane of the benzofuran system. The phenyl ring makes a dihedral angle of 78.76?(4)° with the benzofuran mean plane. The crystal structure is stabilized by ?-? inter-actions between the furan and benzene rings of neighbouring mol-ecules [centroid-centroid distance = 4.017?(3)?Å]. In addition, the crystal structure exhibits inter-molecular C-H?? and C-H?O inter-actions.

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Project description:The title compound, C(16)H(13)IO(2)S, was prepared by the oxidation of 5-iodo-2,7-dimethyl-3-phenyl-sulfanyl-1-benzofuran using 3-chloro-perbenzoic acid. The O atom and the phenyl group of the phenyl-sulfinyl substituent lie on opposite sides of the plane of the benzofuran system. The phenyl ring is nearly perpendicular to the plane of the benzofuran fragment [89.15?(5)°]. The crystal structure is stabilized by an I?O halogen bond [I?O = 3.177?(2)?Å and C-I?O = 175.68?(6)°] linking mol-ecules into centrosymmetric dimers and by a weak C-H?? inter-action between a phenyl H atom and the furan ring of the benzofuran system.

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Project description:The title compound, C(17)H(16)O(2)S, was prepared by the oxidation of 2,4,6-trimethyl-3-phenyl-sulfanyl-1-benzofuran with 3-chloro-peroxy-benzoic acid. The O atom and the phenyl group of the phenyl-sulfinyl substituent lie on opposite sides of the planar benzofuran fragment. The phenyl ring is nearly perpendicular to the plane of the benzofuran unit [89.88?(8)°] and is tilted slightly towards it. The crystal structure is stabilized by C-H?? inter-actions between a phenyl H atoms and the phenyl and furan rings of neighbouring mol-ecules. In addition, the crystal structure exhibits inter-molecular C-H?O inter-actions.

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