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3-Ethyl-sulfinyl-2-(4-fluoro-phen-yl)-5-iodo-7-methyl-1-benzofuran.

ABSTRACT: In the title compound, C(17)H(14)FIO(2)S, the 4-fluoro-phenyl ring is rotated out of the benzofuran plane, as indicated by the dihedral angle of 15.60?(6)°. The crystal structure exhibits an I?O inter-action [3.052?(2)?Å].

SUBMITTER: Choi HD

PROVIDER: S-EPMC2983596 | biostudies-literature | 2010 Feb

REPOSITORIES: biostudies-literature

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3-Ethyl-sulfinyl-2-(4-fluoro-phen-yl)-5-iodo-7-methyl-1-benzofuran.

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

Acta crystallographica. Section E, Structure reports online 20100213 Pt 3

In the title compound, C(17)H(14)FIO(2)S, the 4-fluoro-phenyl ring is rotated out of the benzofuran plane, as indicated by the dihedral angle of 15.60 (6)°. The crystal structure exhibits an I⋯O inter-action [3.052 (2) Å]. ...[more]

PMID: 21580386

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3-Ethyl-sulfinyl-2-(3-fluoro-phen-yl)-5-iodo-7-methyl-1-benzofuran.

Project description:In the title compound, C(17)H(14)FIO(2)S, the 3-fluoro-phenyl ring makes a dihedral angle of 14.56?(5)° with the mean plane [r.m.s. deviation = 0.012?(1)?Å] of the benzofuran fragment. In the crystal, mol-ecules are linked via pairs of I?O contacts [3.038?(2)?Å], forming inversion dimers. In the 3-fluoro-phenyl ring, the F atom is disordered over two positions, with site-occupancy factors of 0.747?(3) and 0.253?(3).

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3-Ethyl-sulfinyl-5-fluoro-2-(4-iodo-phen-yl)-1-benzofuran.

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Project description:In the title compound, C(15)H(10)FIO(2)S, the O atom and the methyl group of the methyl-sulfinyl substituent lie on opposite sides of the plane through the benzofuran fragment. The 4-iodo-phenyl ring is rotated out of the benzofuran plane by a dihedral angle of 39.4?(1)°. The crystal structure is stabilized by an inter-molecular C-H?O hydrogen bond and an I?O halogen bond [3.055?(2)?Å]. The crystal structure also exhibits an inter-molecular C-H?? inter-action between the methyl H atom and the 4-iodo-phenyl ring of an adjacent benzofuran mol-ecule, and aromatic ?-? inter-actions between the benzene rings of neighbouring benzofuran systems [centroid-centroid distance = 3.558?(3)?Å].

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3-Ethyl-sulfinyl-2-(4-iodo-phen-yl)-5-methyl-1-benzofuran.

Project description:In the title compound, C(17)H(15)IO(2)S, the 4-iodo-phenyl ring makes a dihedral angle of 35.39?(8)° with the plane of the benzofuran fragment. In the crystal, mol-ecules are linked by inter-molecular C-H?O and C-H?? inter-actions, and an I?O contact [3.378?(2)?Å]. The crystal structure also exhibits aromatic ?-? inter-actions between the benzene rings of neighbouring mol-ecules [centroid-centroid distance = 3.495?(3)?Å].

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5-Chloro-3-ethyl-sulfinyl-2-(4-iodo-phen-yl)-7-methyl-1-benzofuran.

Project description:In the title compound, C(17)H(14)ClIO(2)S, the 4-iodo-phenyl ring makes a dihedral angle of 1.61 (9)° with the benzofuran ring system. In the crystal, mol-ecules are linked through a weak inter-molecular C-H⋯O hydrogen bond and an I⋯O contact [3.416 (2) Å]. The ethyl group is disordered over two orientations with site-occupancy factors of 0.402 (7) and 0.598 (7).

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5-Bromo-3-ethyl-sulfinyl-2-(4-fluoro-phen-yl)-7-methyl-1-benzofuran.

Project description:In the title compound, C(17)H(14)BrFO(2)S, the 4-fluoro-phenyl ring is rotated slightly out of the benzofuran plane, making a dihedral angle of 7.60?(4)°. The crystal structure is stabilized by a Br?O halogen-bonding inter-action [3.048?(1)?Å].

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3-Ethyl-sulfinyl-2-(4-fluoro-phen-yl)-5,6-methyl-enedi-oxy-1-benzofuran.

Project description:In the title compound, C(17)H(13)FO(4)S, the 4-fluoro-phenyl ring makes a dihedral angle of 4.92?(4)° with the plane of the 5,6-methyl-enedi-oxy-1-benzofuran fragment. In the crystal, mol-ecules are linked by weak inter-molecular C-H?O and C-H?F hydrogen bonds.

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3-Ethyl-sulfinyl-2-(3-fluoro-phen-yl)-5,6-methyl-enedi-oxy-1-benzofuran.

Project description:In the title compound, C17H13FO4S, the 3-fluoro-phenyl ring makes a dihedral angle of 6.14 (5)° with the mean plane [r.m.s. deviation = 0.008 (1) Å] of the benzofuran fragment. In the crystal, mol-ecules are linked by weak C-H⋯F, C-H⋯O and C-H⋯π inter-actions, forming a three--dimensional network. The crystal structure also exhibits slipped π-π inter-actions between the 3-fluoro-phenyl rings of neighbouring mol-ecules [centroid-centroid distance = 3.769 (2) Å and slippage = 1.684 (2) Å].

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