的η 4 -trimethylenemethane(TMM)
金属配合物[的MC1(NO)(PPH 3)(TMM)](M = Ru或OS),[OS(CO)2(PPH 3)(TMM)],[IRX(CO )(L)(TMm)](X = Cl,L = PPh 3或AsPh 3; X = Br,L = PPh 3),[IrCl(PPh 3)2(TMm)]和[Ir(CO)( PPh 3)2(TMm)] [OS(O)2 Me]是通过Me 3 SiCH 2 C(CH 2)-CH 2 OS(O)2 Me}对[MCl( NO)(PPh 3)n ](M = Ru,n = 2;M = OS,n= 3),[IrX(CO)L 2 ],[Ir 2 Cl 2(C 8 H 14)4 ] + 4PPh 3和[IrH(CO)(PPh 3)3 ]。