Ligand behaviour of P-functionally substituted organotin halides: palladium(II) and platinum(II) complexes with Ph2PCH2CH2SnCl3
作者:Matthias Seibert、Kurt Merzweiler、Christoph Wagner、Horst Weichmann
DOI:10.1016/j.jorganchem.2003.07.018
日期:2003.12
Ph2PCH2CH2SnCl3 reacts with [(COD)MCl2] to the complexes [Cl2Pd(PPh2CH2CH2SnCl3)2] (7: M=Pd, mixture of cis/trans isomer; 8: M=Pt, cis isomer). In a subsequent reaction 8 is transformed in acetone into the 16-membered heterocyclic complex cis-[Cl2Pt(PPh2CH2CH2)2SnCl2]2 (9). trans-[(Et2S)2PtCl2] and Ph2PCH2CH2SnCl3 in molar ratio 1:2 yields the zwitterionic complex [(Et2S)M+(Cl)(PPh2CH2CH2SnCl3)(PPh2CH2CH2Sn−Cl4)]
P-官能的有机锡氯化物Ph 2 PCH 2 CH 2 SnCl 3与[(COD)MCl 2 ]和反式[[Et 2 S)2 MCl 2 ](M = Pd,Pt)摩尔比为1:1至两性离子络合物[(COD)M +(Cl)(PPh 2 CH 2 CH 2 Sn - Cl 4)](1:M = Pd; 2:M = Pt)和反式-[(Et 2 S)2 M +(氯)(PPh 2 CH 2 CH2 Sn - Cl 4)](3:M = Pd;4:M = Pt)。与[(COD)Pd(Cl)Me]的相同反应在将甲基从钯转移到配合物[(COD)M +(Cl)(PPh 2 CH 2 CH 2 Sn - MeCl 3)]时产生(5),其中丙酮变成二聚加合物[Cl 2 Pd(PPh 2 CH 2 CH 2 SnMeCl 2 ·2Me 2 CO)] 2(6)。摩尔比为2:1 Ph 2 PCH 2CH 2 SnCl 3与[(COD)MCl