反应详情

Following General Procedure K, triethyl-2-fluoro-2-phosphonoacetate (173 mg, 7.15 mmol) and 1-(7-ethoxy-4-ethyl-2,2-dimethyl-2H-chromen-6-yl)-ethanone (Compound 56, 394 mg, 1.43 mmol) were reacted to give the title compound as a yellow oil after purification by flash chromatography (silica gel, 1:9 ethyl acetate/hexane).

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