Benzoic acid (3aR,4S,6R,6aR)-6-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl ester 在
ytterbium(III) triflate 作用下,
以
乙腈 为溶剂,
反应 3.0h,
以89%的产率得到Benzoic acid (3aR,4S,6R,6aR)-6-((R)-1,2-dihydroxy-ethyl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl ester