(3aR,4R,6aR)-4-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-6-pent-4-enyloxy-tetrahydro-furo[3,4-d][1,3]dioxole 在
N-溴代丁二酰亚胺(NBS) 、
水 作用下,
以
乙腈 为溶剂,
以75%的产率得到(3aR,4R,6R,6aR)-6-(2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-ol