(4R,5R)-methyl-4-benzoyloxy-5-hydroxy-1-cyclohexene-1-carboxylate 、
methyl 2-diazo-2-(dimethoxyphosphoryl)acetate 在
dirhodium tetraacetate 作用下,
以
苯 为溶剂,
反应 24.0h,
以69%的产率得到(4R,5R)-methyl 4-O-benzoyl-5-[1'-(dimethoxyphosphinyl)-2'-methoxy-2'-oxo-ethoxy]cyclohex-1-ene-carboxylate