乙醇 、
2,2-diethoxy-5-methyl-7-trifluoroacetyl-3-trifluoromethyl-2-(trimethylsiloxy)benz[d][1,2λ5ς5]oxaphospholane 在
水 作用下,
生成 {1-[3-(1-Ethoxy-2,2,2-trifluoro-1-hydroxy-ethyl)-2-hydroxy-5-methyl-phenyl]-2,2,2-trifluoro-ethyl}-phosphonic acid diethyl ester