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2-(5,7-Dimethyl-3-methyl-sulfanyl-1-benzofuran-2-yl)acetic acid.

ABSTRACT: The title compound, C(13)H(14)O(3)S, was prepared by alkaline hydrolysis of ethyl 2-(5,7-dimethyl-3-methyl-sulfanyl-1-benzofuran-2-yl)acetate. In the crystal structure, the carboxyl groups are involved in inter-molecular O-H?O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers. These dimers are further packed into stacks along the a axis by weak C-H?? inter-actions.

SUBMITTER: Choi HD

PROVIDER: S-EPMC2962211 | biostudies-literature | 2008 Jul

REPOSITORIES: biostudies-literature

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2-(5,7-Dimethyl-3-methyl-sulfanyl-1-benzofuran-2-yl)acetic acid.

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

Acta crystallographica. Section E, Structure reports online 20080726 Pt 8

The title compound, C(13)H(14)O(3)S, was prepared by alkaline hydrolysis of ethyl 2-(5,7-dimethyl-3-methyl-sulfanyl-1-benzofuran-2-yl)acetate. In the crystal structure, the carboxyl groups are involved in inter-molecular O-H⋯O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers. These dimers are further packed into stacks along the a axis by weak C-H⋯π inter-actions. ...[more]

PMID: 21203292

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2-(6,7-Dimethyl-3-methyl-sulfanyl-1-benzofuran-2-yl)acetic acid.

Project description:In the title compound, C(13)H(14)O(3)S, the methyl group of the methyl-sulfanyl substituent is almost perpendicular to the plane of the benzofuran fragment [80.5 (9)°]. The carboxylic acid groups are involved in inter-molecular O-H⋯O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers. These dimers are further packed into stacks along the a axis by C-H⋯π inter-actions.

| S-EPMC2960535 | biostudies-literature

2-(4-Bromo-phen-yl)-5,7-dimethyl-3-methyl-sulfanyl-1-benzofuran.

Project description:The title compound, C(17)H(15)BrOS, was prepared by the Lewis acid-catalysed reaction of 2,4-dimethyl-phenol with 4'-bromo-2-chloro-2-(methyl-sulfan-yl)acetophenone. The 4-bromo-phenyl ring is rotated slightly out of the benzofuran plane, making a dihedral angle of 8.4 (1)°. The crystal structure is stabilized by a CH(2)-H⋯π inter-action between the 5-methyl group and the benzene ring of the benzofuran system.

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2-(5-Isopropyl-3-methyl-sulfanyl-1-benzofuran-2-yl)acetic acid.

Project description:There are two mol-ecules in the asymmetric unit of the title compound, C(14)H(16)O(3)S. In the crystal structure, the carboxyl groups are involved in inter-molecular O-H?O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers. These dimers are further packed into stacks along the a axis by aromatic ?-? inter-actions between the furan rings of adjacent mol-ecules [centroid-centroid distance = 3.430?(4)?Å] and by additional C-H?? and C-H?O inter-actions.

| S-EPMC2969340 | biostudies-literature

2-(5-Fluoro-3-methyl-sulfanyl-1-benzofuran-2-yl)acetic acid.

Project description:The title compound, C(11)H(9)FO(3)S, was prepared by alkaline hydrolysis of ethyl 2-(5-fluoro-3-methyl-sulfanyl-1-benzofuran-2-yl)acetate. In the crystal structure, the carboxyl groups are involved in inter-molecular O-H?O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers. These dimers are further packed into stacks along the b axis by inter-molecular C-H?O and C-H?F inter-actions.

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2-(5-Bromo-3-methyl-sulfanyl-1-benzofuran-2-yl)acetic acid.

Project description:The title compound, C(11)H(9)BrO(3)S, was prepared by alkaline hydrolysis of ethyl 2-(5-bromo-3-methyl-sulfanyl-1-benzofuran-2-yl)acetate. In the crystal structure, the carboxyl groups are involved in inter-molecular O-H?O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers. These dimers are further packed into stacks along the c axis by weak C-H?? inter-actions. In addition, the stacked mol-ecules exhibit a Br?S inter-action of 3.4787?(7)?Å.

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2-(3-Methyl-sulfanyl-5-propyl-1-benzofuran-2-yl)acetic acid.

Project description:The title compound, C(14)H(16)O(3)S, was prepared by alkaline hydrolysis of ethyl 2-(3-methyl-sulfanyl-5-propyl-1-benzofuran-2-yl)acetate. In the crystal structure, the carboxyl groups are involved in inter-molecular O-H⋯O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers. These dimers are further packed into stacks along the a axis by weak C-H⋯π inter-actions.

| S-EPMC2977689 | biostudies-literature

2-(5-Fluoro-7-methyl-3-methyl-sulfanyl-1-benzofuran-2-yl)acetic acid.

Project description:The title compound, C(12)H(11)FO(3)S, was prepared by alkaline hydrolysis of ethyl 2-(5-fluoro-7-methyl-3-methyl-sulfanyl-1-benzofuran-2-yl)acetate. In the crystal, the carboxyl groups are involved in inter-molecular O-H?O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers.

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2-(5-Cyclo-hexyl-3-methyl-sulfanyl-1-benzofuran-2-yl)acetic acid.

Project description:In the title compound, C(17)H(20)O(3)S, the cyclo-hexyl ring adopts a chair conformation. In the crystal, the carboxyl groups are involved in inter-molecular O-H⋯O hydrogen bonds, which link the mol-ecules into centrosymmetric dimers. These dimers are further stabilized by weak inter-molecular C-H⋯O hydrogen bonds. In addition, the crystal structure also exhibits aromatic π-π inter-actions between the furan rings of adjacent mol-ecules [centroid-centroid distance = 3.505 (2) Å, inter-planar distance = 3.385 (2) Å and slippage = 0.909 (2) Å], and inter-molecular C-H⋯π inter-actions.

| S-EPMC3212340 | biostudies-literature

2-(5-Fluoro-3-isopropyl-sulfanyl-7-methyl-1-benzofuran-2-yl)acetic acid.

Project description:The title compound, C(14)H(15)FO(3)S, was prepared by alkaline hydrolysis of ethyl 2-(5-fluoro-3-isopropyl-sulfanyl-7-methyl-1-benzofuran-2-yl)acetate. In the crystal, mol-ecules are linked via pairs of O-H⋯O hydrogen bonds, forming inversion dimers. These dimers are connected by weak C-H⋯O hydrogen bonds.

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2-(4-Iodo-phen-yl)-5,7-dimethyl-3-methyl-sulfinyl-1-benzofuran.

Project description:The title compound, C(17)H(15)IO(2)S, was prepared by the oxidation of 2-(4-iodo-phen-yl)-5,7-dimethyl-3-methyl-sulfanyl-1-benzofuran using 3-chloro-peroxy-benzoic acid. The 4-iodo-phenyl ring makes a dihedral angle of 26.0 (1)° with the plane of the benzofuran fragment, and the O atom and the methyl group of the methyl-sulfinyl substituent lie on opposite sides of this plane. The crystal structure is stabilized by inter- and intra-molecular C-H⋯O hydrogen bonds, and by an I⋯O halogen bond with an I⋯O distance of 3.145 (2) Å and a nearly linear C-I⋯O angle of 164.01 (9)°.

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