Reactivity of platina-β-diketones towards chelating nitrogen and sulfur donors: formation of acyl(hydrido)platinum(IV) and acyl(chloro)platinum(II) complexes
作者:Tushar Gosavi、Eduard Rusanov、Harry Schmidt、Dirk Steinborn
DOI:10.1016/j.ica.2003.11.045
日期:2004.4
N-ligands 2(R′NCR)C5H4N (R/R′=Ph/OH, H/Ph, Me/Ph) to form acyl(hydrido)platinum(IV) complexes [Pt(COMe)2Cl(H)2-(R′NCR)C5H4N}] (R/R′=Ph/OH 2a; H/Ph 2b; Me/Ph (2c)). Reactions of complex 1 with chelating S,S- and N,S-donors (RS–CH2–CH2–SR, 2-(RSCH2)C5H4N, R=Et, Ph, t-Bu) afforded acyl(chloro)platinum(II) complexes [Pt(COMe)Cl(RSCH2CH2SR)] (R=Et, 3a; Ph, 3b; t-Bu, 3c) and [Pt(COMe)Cl2-(RSCH2)C5H4N}] (R=Et
该粗铂-β二酮[PT 2 (COME)2 H} 2(μ-Cl)的2 ](1)被发现与螯合剂发生反应Ñ,Ñ -ligands 2(R ' NCR)C 5 H ^ 4 N(R / R ' = PH / OH,H / PH,ME / PH),以形成酰基(氢基)铂(IV)配合物[PT(COME)2氯(H)2-(R ' NCR) C 5 H 4 N}](R / R '= Ph / OH 2a; H / Ph 2b; Me / Ph(2c))。配合物1与螯合S的反应,S-和N,S-供体(RS–CH 2 –CH 2 –SR,2-(RSCH 2)C 5 H 4 N,R = Et,Ph,t -Bu)得到酰基(氯)铂(II)络合物[Pt(COMe)Cl(RSCH 2 CH 2 SR)](R = Et,3a ; Ph,3b ; t- Bu,3c)和[Pt(COMe)Cl 2-(RSCH 2)C 5 H