反应详情

The crude product of the title compound was synthesized by conducting the similar reaction to that mentioned in Example 24 (24c) using 2-(methylsulfonyl)-6-{[(triisopropylsilyl)oxy]methyl}nicotinonitrile (0.78 g, 2.1 mmol) that was obtained in Example 24 (24b) and a 3.0 M solution of ethylmagnesium bromide in ether (1.4 ml, 4.2 mmol). Subsequently, the crude product of the title compound thus obtained was purified by chromatography on a silica gel column using a mixed solvent of ethyl acetate and hexane (0:10 to 1:9) as the eluent to afford the title compound (0.65 g) in a yield of 97% as a white crystalline solid.

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