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

ABSTRACT: The title compound, C(13)H(13)FO(3)S, was prepared by alkaline hydrolysis of ethyl 2-(5-fluoro-3-isopropyl-sulfanyl-1-benzofuran-2-yl)acetate. In the crystal, the carb-oxy 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 a slipped ?-? inter-action between the furan and benzene rings of neighbouring mol-ecules [centroid-centroid distance = 3.727?(2)?Å, inter-planar distance = 3.465?(2)?Å and slippage = 1.373?(2)?Å]. The crystal structure also exhibits a short S?O contact [S?O = 3.219?(2)?Å].

SUBMITTER: Seo PJ

PROVIDER: S-EPMC3247497 | biostudies-literature | 2011 Nov

REPOSITORIES: biostudies-literature

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

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

Acta crystallographica. Section E, Structure reports online 20111029 Pt 11

The title compound, C(13)H(13)FO(3)S, was prepared by alkaline hydrolysis of ethyl 2-(5-fluoro-3-isopropyl-sulfanyl-1-benzofuran-2-yl)acetate. In the crystal, the carb-oxy 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 a slipped π-π inter-action between the furan and benzene rings of neighbouring mol-ecules [centroid-centroid distance = 3.727 (2) Å, inter-planar di ...[more]

PMID: 22220115

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

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

Project description:The title compound, C(13)H(13)BrO(3)S, was prepared by alkaline hydrolysis of ethyl 2-(5-bromo-3-isopropyl-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 dimers. These dimers are further packed into stacks along the c axis by inter-molecular C-H?? inter-actions, and by slipped ?-? inter-actions between the furan rings of adjacent mol-ecules [centroid-centroid distance = 3.472?(2)?Å, inter-planar distance = 3.398?(2)?Å and slippage = 0.713?(2)?Å].

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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-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-(3-Ethyl-sulfanyl-5-phenyl-1-benzofuran-2-yl)acetic acid.

Project description:The title compound, C(18)H(16)O(3)S, crystallizes with two symmetry-independent mol-ecules in the asymmetric unit. The phenyl rings are rotated out of the benzofuran planes, making dihedral angles of 43.38?(7) and 56.13?(6)° in the two mol-ecules. The carboxyl groups are involved in inversion-related 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 weak non-classical inter-molecular C-H?O hydrogen bonds. The crystal structure also exhibits inter-molecular C-H?? inter-actions, and two aromatic ?-? inter-actions between the furan rings of neighbouring benzofuran systems; the centroid-centroid distances are 3.500?(3) and 3.605?(3)?Å.

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

Project description: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.

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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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