methyl 7-(4-chlorophenyl)-6,8-dioxo-1-(4-tolyl)-2,3,7-triazabicyclo[3.3.0]oct-3-ene-4-carboxylate 在
1-fluoro-pyridinium tetrafluoroborate 作用下,
以
乙腈 为溶剂,
反应 150.0h,
生成 methyl (+/-)-exo-3-(4-chlorophenyl)-6-fluoro-2,4-dioxo-1-(4-tolyl)-3-azabicyclo[3.1.0]hexane-6-carboxylate 、 methyl (+/-)-endo-3-(4-chlorophenyl)-6-fluoro-2,4-dioxo-1-(4-tolyl)-3-azabicyclo[3.1.0]hexane-6-carboxylate