syn-dimethyl 1',2',3',4',5',6',7',8'-hexahydrospirodimethanonaphthalene>-6',7'-dicarboxylate 在
air 作用下,
以
氯仿 为溶剂,
反应 72.0h,
以14%的产率得到dimethyl (1S,2S,5R,6R,7R,10S)-spiro[11-oxapentacyclo[4.4.1.12,5.17,10.01,6]tridec-3-ene-13,1'-cyclopropane]-3,4-dicarboxylate