2,3,5-Tri-tert-butyl-2,4-cyclopentadien-1-on 、 1,6,7,8,9,9-hexachloro-endo-tricyclo<4.2.1.0
2.5>nona-3,7-diene 以
甲苯 为溶剂,
反应 70.0h,
以33%的产率得到rac-(1R,4S,4aS,4bR,5R,8R,8aS,8bR)-5,6,8-tri-tert-butyl-1,2,3,4,10,10-hexachloro-1,4,4a,4b,5,8,8a,8b-octahydro-1,4:5,8-dimethanobiphenylen-9-one