Indanyloxydihydrobenzofuranylacetic acids
a technology of indanyloxydihydrobenzofuranylacetic acid and indanyloxydihydrobenzofuranylacetic acid, which is applied in the field of new drugs, can solve the problems of diabetes, impaired beta cell function, and increased blood glucose levels, and achieves the effects of reducing the risk of cardiovascular diseas
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example 1
[(S)-6-{(R)-7-Fluoro-4-[4-(2-methoxy-ethoxy)-phenoxy]-indan-1-yloxy}-2,3-dihydro-benzofuran-3-yl]-acetic acid
[0529]
[0530]1 M aqueous NaOH solution (0.7 mL) is added to a solution of [(S)-6-{(R)-7-fluoro-4-[4-(2-methoxy-ethoxy)-phenoxy]-indan-1-yloxy}-2,3-dihydro-benzofuran-3-yl]-acetic acid methyl ester (62 mg) in methanol (2 mL) and tetrahydrofuran (2 mL) at room temperature. The mixture is stirred at room temperature for 6 h. The organic solvent is evaporated, water is added, and the resulting mixture is neutralized with 1 M aqueous HCl solution (0.7 mL). The solution is stirred at room temperature for 0.5 h.
[0531]The precipitate is separated by filtration, washed with water and dried to give the title compound. LC (method 3): tR=0.39 min; Mass spectrum (ESI−): m / z=493 [M−H]−.
example 2
[(S)-6-{(R)-7-Fluoro-4-[4-(3-hydroxy-3-methyl-butoxy)-phenoxy]-indan-1-yloxy}-2,3-dihydro-benzofuran-3-yl]-acetic acid
[0532]
[0533]The title compound is prepared from [(S)-6-{(R)-7-fluoro-4-[4-(3-hydroxy-3-methyl-butoxy)-phenoxy]-indan-1-yloxy}-2,3-dihydro-benzofuran-3-yl]-acetic acid methyl ester following a procedure analogous to that described for Example 1. LC (method 3): tR=0.41 min; Mass spectrum (ESI−): m / z=521 [M−H]−.
example 3
[(S)-6-{(R)-7-Fluoro-4-[4-(2-hydroxy-2-methyl-propoxy)-phenoxy]-indan-1-yloxy}-2,3-dihydro-benzofuran-3-yl]-acetic acid
[0534]
[0535]The title compound is prepared from [(S)-6-{(R)-7-fluoro-4-[4-(2-hydroxy-2-methyl-propoxy)-phenoxy]-indan-1-yloxy}-2,3-dihydro-benzofuran-3-yl]-acetic acid methyl ester following a procedure analogous to that described for Example 1. LC (method 3): tR=0.35 min; Mass spectrum (ESI+): m / z=531 [M+Na]+.
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