(S)-[6-cyclohexyloxy-6'-hydroxy-biphenyl-2,2'-diyl]-bis(diphenylphosphinoxide) 、
溴乙酸甲酯 在
potassium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 6.0h,
以64%的产率得到(S)-[6-(methoxycarbonylmethoxy)-6'-(cyclohexyloxy)-biphenyl-2,2'-diyl]-bis(diphenyl-phosphinoxide)