Platinum(II) and palladium(II) complexes of tetrakis(pyrazolyl)cyclotriphosphazenes

被引：0
作者：
Thomas, KRJ
Chandrasekhar, V
Zanello, P
Laschi, F
机构：
[1] INDIAN INST TECHNOL,DEPT CHEM,KANPUR 208016,UTTAR PRADESH,INDIA
[2] UNIV SIENA,DIPARTIMENTO CHIM,I-53100 SIENA,ITALY
来源：
POLYHEDRON | 1997年 / 16卷 / 07期
关键词：
cyclotriphosphazene ligand; pyrazole; platinum(II); palladium(II); copper(II) complexes; NMR;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reactions of tetrakis(pyrazolyl)cyclotriphosphazene derivatives, gem-N-3-P(3)Ph(2)Pz(4) (2) and gem-N(3)P(3)Ph(2)(dmpz)(4) (4), 2ith PdCl2(PhCN)(2) or PtCl2(PhCN)(2) afforded complexes of the type MCl(2)L (L = 2 or 4). The detailed spectroscopic (proton, C-13 and P-31 NMR) investigations revealed that in these complexes the phosphazenes act as bidentate N-2-donor ligands via the two geminal pyrazolyl pyridinic nitrogen atoms, thus forming six-membered chelate rings. The platinum derivative N(3)P(3)Ph(2)Pz(4) . PtCl2 (6) reacted further with CuCl2 to yield a new heterobimetallic derivative, N(3)P(3)Ph(2)Pz(4) . PtCl2 . CuCl2 (9). The EPR spectra of 9 indicated a distorted five-coordinate geometry around copper. The electrochemistry of 9 is also reported. Copyright (C) 1997 Elsevier Science Ltd.
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收藏
页码：1003 / 1011
页数：9
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