PHOTOCHEMISTRY AND PHOTOCATALYTIC REACTIONS OF MIXED-LIGAND AZIDO TRANSITION-METAL COMPLEXES

被引:13
作者
HENNIG, H [1 ]
STICH, R [1 ]
KNOLL, H [1 ]
REHOREK, D [1 ]
STUFKENS, DJ [1 ]
机构
[1] UNIV AMSTERDAM,ANORGAN CHEM LAB,1018 WV AMSTERDAM,NETHERLANDS
关键词
D O I
10.1016/0010-8545(91)84018-Z
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Mechanistic details of the photolysis of mixed-ligand azido metal(II) complexes 1 (M = Pd(II), Pt(II), Ni(II); X-X = 2 PR3, R2P(CH2)nPR2, R-N = CH-CH = N-R) are discussed with respect to formation of intermediate isomerization products, metal(I) complexes and azidyl radicals, respectively. [GRAPHICS] Coordinatively unsaturated metal(0) complexes formed as the ultimate products in the course of photoreaction (1) exhibit catalytic activity. Thus, oxidative addition has been observed with photochemically generated platinum(0) and palladium(0) species whereas photoinduced cyclotrimerization of alkynes has been detected in the presence mixed-ligand azido nickel(II) complexes.
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收藏
页码:131 / 144
页数:14
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