The title compound, C(12)H(11)FO(3)S, was prepared by alkaline hydrolysis of ethyl 2-(3-ethyl-sulfan-yl-5-fluoro-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 aromatic π-π inter-actions between the furan ring and the benzene ring of neighbouring benzofuran ring systems [centroid-centroid distance = 3.684 (5) Å].
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| http://dx.doi.org/10.1107/S160053680903671X | DOI Listing |
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