1-Methyl-4-[3-methyl-5-(4-methylphenyl)sulfonyl-5-(2,6,6-trimethylcyclohexen-1-yl)pent-2-enyl]sulfonylbenzene 、
4-acetoxy-1-bromo-2-methyl-2-butene 在
sodium hydride 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 3.42h,
以94.8%的产率得到[3,7-Dimethyl-5,9-bis-(4-methylphenyl)sulfonyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,6-dienyl] acetate