(R,E)-1-(tert-butyldimethylsilyloxy)-4-{(4R,5S)-5-[(S)-hydroxy(phenyl)methyl]-2,2-dimethyl-1,3-dioxolan-4-yl}but-3-en-2-ol 在
[Au(Cl)PPh
3] 、
silver trifluoromethanesulfonate 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以67%的产率得到tert-butyl {(E)-3-[(3aR,4S,6S,6aS)-2,2-dimethyl-6-phenyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl]allyloxy}dimethylsilane