A new, simple method for the synthesis of enol phosphates by base-mediated tandem reaction of α-aryloxyacetophenones with phosphonates is described. In the presence of Cs2CO3, a variety of α-aryloxyacetophenones smoothly underwent the sequential O-P bond-forming/C-O bond cleavage/isomerization tandem reaction with phosphonates at room temperature, providing the corresponding enol phosphates in moderate to excellent yields.
描述了一种新的简单方法,通过碱介导的串联反应合成烯醇
磷酸酯,该反应涉及α-芳氧
乙酰苯酮与
磷酸盐。在Cs2CO3的存在下,各种α-芳氧
乙酰苯酮在室温下顺利进行O-P键形成/C-O键断裂/异构化的串联反应,与
磷酸盐反应,提供了相应的烯醇
磷酸酯,产率在中等到优秀范围内。