溴乙烷   、                                                                                      
(η5-cyclopentadienyl)[meso-5-ethyl-2,5,8-triphosphabicyclo[7.4.0]trideca-9(1),10,12-triene]iron(II) hexafluorophosphate                                                                                                                                                              在
                                                                                                                                                                                 
potassium tert-butylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以70.4%的产率得到(η5-cyclopentadienyl)[meso-2,5,8-triethyl-2,5,8-triphosphabicyclo[7.4.0]trideca-9(1),10,12-triene]iron(II) hexafluorophosphate