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5-Ethyl-2-methyl-3-phenyl-sulfonyl-1-benzofuran.

ABSTRACT: The title compound, C(17)H(16)O(3)S, was prepared by the oxidation of 5-ethyl-2-methyl-3-phenyl-sulfanyl-1-benzofuran with 3-chloro-peroxy-benzoic acid. The phenyl ring makes a dihedral angle of 75.94?(8)° with the plane of the benzofuran fragment. The crystal structure is stabilized by ?-? inter-actions between the furan rings of neighbouring mol-ecules [centroid-centroid distance = 3.620?(4)?Å]. In addition, the crystal structure exhibits C-H?? inter-actions.

SUBMITTER: Choi HD

PROVIDER: S-EPMC2961571 | biostudies-literature | 2008 May

REPOSITORIES: biostudies-literature

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5-Ethyl-2-methyl-3-phenyl-sulfonyl-1-benzofuran.

Choi Hong Dae HD Seo Pil Ja PJ Son Byeng Wha BW Lee Uk U

Acta crystallographica. Section E, Structure reports online 20080507 Pt 6

The title compound, C(17)H(16)O(3)S, was prepared by the oxidation of 5-ethyl-2-methyl-3-phenyl-sulfanyl-1-benzofuran with 3-chloro-peroxy-benzoic acid. The phenyl ring makes a dihedral angle of 75.94 (8)° with the plane of the benzofuran fragment. The crystal structure is stabilized by π-π inter-actions between the furan rings of neighbouring mol-ecules [centroid-centroid distance = 3.620 (4) Å]. In addition, the crystal structure exhibits C-H⋯π inter-actions. ...[more]

PMID: 21202541

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Project description:In the title compound, C(21)H(22)O(3)S, the cyclo-hexyl ring adopts a chair conformation. The phenyl ring makes a dihedral angle of 78.07?(5)° with the mean plane of the benzofuran fragment. In the crystal, mol-ecules are linked through weak inter-molecular C-H?O hydrogen bonds and C-H?? inter-actions.

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5-Cyclo-pentyl-2-methyl-3-phenyl-sulfonyl-1-benzofuran.

Project description:In the title compound, C(20)H(20)O(3)S, the cyclo-pentyl ring adopts an envelope conformation. The phenyl ring makes a dihedral angle of 81.40 (6)° with the mean plane of the benzofuran fragment. In the crystal, mol-ecules are linked by weak inter-molecular C-H⋯O hydrogen bonds and C-H⋯π inter-actions.

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Project description:The title compound, C(16)H(14)O(3)S, was prepared by the oxidation of 2,5-dimethyl-3-phenyl-sulfanyl-1-benzofuran with 3-chloro-peroxy-benzoic acid. The phenyl ring makes a dihedral angle of 76.98 (9)° with the plane of the benzofuran fragment. The crystal structure is stabilized by π-π inter-actions between furan and benzene rings of neighbouring mol-ecules [centroid-centroid distance = 3.775 (4) Å]. In addition, the crystal structure exhibits intra- and inter-molecular C-H⋯O inter-actions.

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Project description:The title compound, C(17)H(16)O(3)S, was prepared by the oxidation of 2,5,7-trimethyl-3-phenyl-sulfanyl-1-benzofuran with 3-chloro-peroxy-benzoic acid. The phenyl ring exhibits a dihedral angle of 81.16 (4)° with the plane of the benzofuran fragment. The crystal structure is stabilized by π-π inter-actions between the furan and benzene rings of neighbouring mol-ecules [centroid-centroid distance = 3.874 (2) Å] and by C-H⋯π inter-actions between a phenyl H atom of the phenyl-sulfonyl substituent and the furan ring of adjacent mol-ecules. In addition, the crystal structure exhibits intra- and inter-molecular C-H⋯O inter-actions.

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