trans-μ-bis(tricarbonyl)(C,2,3,C-η:C,5,6,C-η-2,3,5,6,7,8-hexamethylidenebicyclo{2.2.2}octane)diiron   、                                                                                      
丁炔二酸二甲酯                                                                                                                                                                                              以
                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                                                        以91%的产率得到trans-μ-{C,9,10,C-η:C,11,12,C-η-4,5-bis(methoxycarbonyl)-9,10,11,12-tetramethylidenettricyclo{6.2.2.0(2,7)}dodeca-2(7),4-diene}bis(tricarbonyliron)