在
thallium(III) nitrate 作用下,
以
四氢呋喃 为溶剂,
反应 0.25h,
以95%的产率得到(3'R,6'S,6a'R,11'R,11a'S,13'S)-1'-ethyl-6'-hydroxy-3'-methyl-3',4',5',6',11',11a'-hexahydro-2'H-spiro[[1,3]dioxolane-2,10'-[3,6a,11](epiethane[1,1,2]triyl)indeno[2,1-b]azocine]-2',9'(1'H)-dione