2-[Bis-(2,2,2-trifluoro-ethoxy)-phosphoryl]-5-[1-[(1R,5S,8S)-1-(4,4-dimethoxy-1-methylene-butyl)-3-oxo-2,4-dioxa-bicyclo[3.2.1]oct-8-yl]-meth-(E)-ylidene]-6-methyl-heptanoic acid methyl ester 在
amberlyst-15 作用下,
以
水 、
丙酮 为溶剂,
反应 2.0h,
生成 2-[Bis-(2,2,2-trifluoro-ethoxy)-phosphoryl]-6-methyl-5-[1-[(1R,5S,8S)-1-(1-methylene-4-oxo-butyl)-3-oxo-2,4-dioxa-bicyclo[3.2.1]oct-8-yl]-meth-(E)-ylidene]-heptanoic acid methyl ester