3-Oxazolidinecarboxylic acid,2,2-dimethyl-4-[(1R,2E)-1-(phenylmethoxy)-2-[2-(phenylmethoxy)phenyl]-2-buten-1-yl]-, 1,1-dimethylethyl ester, (4S)- 在
boron trifluoride diacetate 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以98%的产率得到[(E)-(1S,2R)-2-benzyloxy-3-(2-benzyloxy-phenyl)-1-hydroxymethyl-pent-3-enyl]carbamic acid tert-butyl ester