1,3-环己二烯 、
(3aR,5S,6R,6aR)-5-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-6-nitroso-tetrahydro-furo[2,3-d][1,3]dioxole 以
氯仿 为溶剂,
反应 2.0h,
以90%的产率得到(1S,4R)-3-[(3aR,5S,6R,6aR)-5-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-6-yl]-2-oxa-3-aza-bicyclo[2.2.2]oct-5-ene