Phenylacetylene → {4-[3-(2-Ethyl-butoxy)-5-phenylethynyl-phenylsulfanyl]-2-methyl-phenoxy}-acetic acid ethyl ester

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The title product was prepared from {4-[3-Bromo-5-(2-ethyl-butoxy)-phenylsulfanyl]-2-methyl-phenoxy}-acetic acid ethyl ester (200 mg; 0.42 mmol), (phenyl acetylene (170 mg; 1.66 mmol) applying the procedure described for {4-[3-[2-(4-Chloro-phenyl)-ethoxy]-5-(4-hydroxymethyl-phenylethynyl)-phenylsulfanyl]-2-methyl-phenoxy}-acetic acid ethyl ester. The crude product was purified by preparative HPLC (method B). Yield: 170 mg (82%). HPLC-MS: m/z: 502.9 (M)+; Rt: 3.32 min.

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