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)