(+)-propargyl (3aR,7aS)-2,2-dimethyl-3a,7a-dihydrobenzo[d][1,3]dioxole-4-carboxylate 以
甲苯 为溶剂,
反应 6.0h,
以83%的产率得到(1S,2R,3S,4S,4aS,5S,6R,8aR)-1,2,3,4,4a,5,6,8a-octahydro-2,3,5,6-tetrahydroxy-O,O-diisopropyliden-1,4-ethenonaphthalene-1,7-dipropargyl dicarboxylate