3,4-二氢-2H-吡喃 、
1,2,3,4,5,6,7,8,12-nonachloro-1,2,3,4,4a,9,9a,10-octahydro-11-hydroxy-endo,endo-1,4;9,10-dimethanoanthracene 在
对甲苯磺酸 作用下,
以
二氯甲烷 为溶剂,
以83%的产率得到1,2,3,4,5,6,7,8,12-nonachloro-1,2,3,4,4a,9,9a,10-octahydro-11-tetrahydropyranyloxy-endo,endo-1,4;9,10-dimethanoanthracene