丁炔二酸二甲酯   、                                                                                      2,2'-bi-(3,4-decamethylenefuran)                                                                                                                                                                                              以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                生成                                                 
tetramethyl (1R,1'S,4S,4'R)-1,1'-bi-(1,4,6,7,8,9,10,11,12,13,14,15-dodecahydro-1,4-epoxy-benzocyclododecene-2,3-dicarboxylate)   、                                                                                             tetramethyl (1RS,1'RS,4SR,4'SR)-(+/-)-1,1'-bi-(1,4,6,7,8,9,10,11,12,13,14,15-dodecahydro-1,4-epoxy-benzocyclododecene-2,3-dicarboxylate)