cis-PtCl[Ph2PNHC6H3(4-CO2Me)}](Ph2POMe) 9, cis-PtCl[Ph2PNHC6H4(4-CO2Me)}](Ph2POMe) 10 and cis-PtCl2(Ph2POMe)2 8. All new compounds reported here have been characterised by multinuclear NMR and IR spectroscopy, microanalysis and in six cases by single crystal X-ray crystallography. The X-ray structure of cis-PtCl[Ph2PNHC6H3(3-CO2Me)}](Ph2POMe) 6 revealed selective C−H cycloplatination at the 6-position (as
三种新型酯官能化双(膦)胺Ph 2
PN R} PPh 2 [R = C 6 H 4(3-CO 2 Me)1a的合成;C 6 H 3(3,5-CO 2 Me)2 1b ; 描述了在Ph 2 PCl和适当的H 2 N R}在Et 2 O中的
化学计量反应后的C 6 H 4(4-CO 2 Me)1c ] 。1当量的反应 CH 2中具有MCl 2(cod)(M = Pt,Pd)的1a - c的乘积Cl 2分别提供二
氯金属(II)配合物PtCl 2(1a)2a,PtCl 2(1b)2b,PtCl 2(1c)2c和PdCl 2(1b)2'b。从PtBr 2(cod)或PtI 2(cod)以> 80%的分离产率合成了相应的二
溴(和二
碘)
铂(II)络合物3b(和4b)。当将2b在MeOH中的悬浮液在rt搅拌约16 h时,混合的复合物cis-PtCl 2干净地生成[Ph 2
PNH R}](Ph 2 POMe)5a