[NEt4]2[Fe4S4(S-t-Bu)4]   、                                                                                      
1,12,23,34-tetra(3'-mercapto-3'-methylbutanoyl)-1,12,23,34-tetra-azacyclotetratetracontane                                                                                                                                                                                              以
                                                                                         
N,N-二甲基甲酰胺   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        以62%的产率得到bis(tetraethylammonium) tetra-μ3-sulphido-(1,12,23,34-tetra-azacyclotetratetracontane-1,12,23,34-tetrakis(1',1'-dimethyl-3'-oxopropanethiolato-SS'S''S'''))-tetrahedro-tetraferrate