bromozinc(1+),prop-1-ene 、
1-((3aS,4S,7aR)-4-Benzyloxy-2,2-dimethyl-tetrahydro-benzo[1,3]dioxol-3a-yl)-propan-2-one 以
乙醚 为溶剂,
生成 (R)-1-((3aS,4S,7aR)-4-Benzyloxy-2,2-dimethyl-tetrahydro-benzo[1,3]dioxol-3a-yl)-2-methyl-pent-4-en-2-ol 、 (S)-1-((3aS,4S,7aR)-4-Benzyloxy-2,2-dimethyl-tetrahydro-benzo[1,3]dioxol-3a-yl)-2-methyl-pent-4-en-2-ol