碘甲烷 、
2,6-di-tert-butyl-4-{1-[3,5-di-tert-butyl-4-(2-ethoxy-5(S)-hydroxymethyl-[1,3]dioxolan-4(S)-yl-methoxy)-phenylsulfanyl]-1-methyl-ethylsulfanyl}-phenol 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 18.5h,
以60%的产率得到2,6-di-tert-butyl-4-{1-[3,5-di-tert-butyl-4-(2-ethoxy-5(S)-methoxymethyl-[1,3]dioxolan-4(S)-ylmethoxy)-phenylsulfanyl]-1-methyl-ethylsulfanyl}-phenol