Synthesis and characterization of cationic heteronuclear complexes of platinum(II) and silver(I) bridged by alkynyl ligands

被引：34

作者：

Ara, I

Berenguer, JR

Fornies, J

Lalinde, E

Moreno, MT

机构：

[1] UNIV ZARAGOZA,CSIC,INST CIENCIA MAT ARAGON,DEPT QUIM INORGAN,E-50009 ZARAGOZA,SPAIN

[2] UNIV LA RIOJA,DEPT QUIM,E-26001 LOGRONO,SPAIN

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1996年 / 510卷 / 1-2期

关键词：

platinum; pentafluorophenyl; alkynyl; X-ray diffraction;

D O I：

10.1016/0022-328X(95)05832-A

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The dialkynyl complexes cis-[Pt(C=CR)(2)L(2)] [R=Ph, L(2)=2PPh(3), 2PEt(3), dppe (dppe = 1,2-bis(diphenylphosphino)ethane]; R = (t)Bu, L(2) = 2PPh(3), dppe) react with silver perchlorate in a molar ratio 1:0.5 to give platinum-silver perchlorate salts of the type [Pt2Ag(C=CR)(4)L(4)](ClO4) in excellent yield. The X-ray crystal structure of [Pt2Ag(C=CPh)(4)(PPh(3))(4)](ClO4) 1 shows that the cation is formed by two nearly orthogonal cis-[Pt(C=CPh)(2)(PPh(3))(2)] units connected through a silver cation which is unsymmetrically pi-bonded to all four acetylene fragments. Similar reactions of cis-[Pt(C=CR)(2)L(2)] with one equivalent of AgClO4 afford cationic complexes of general formula [PtAg(C=CR)(2)L(2)](ClO4), which are believed to be salts, [Pt2Ag2(C=CR)(4)L(4)](ClO4)(2).

引用

页码：63 / 70

页数：8

共 49 条

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