Synthesis, characterization, X-ray crystallography and stability in aqueous medium of trans-[Ru(CO)(NH3)4P(OH)3]2+

被引：2
|
作者：
Truzzi, Daniela R. [1 ]
Castellano, Eduardo E. [2 ]
Franco, Douglas W. [1 ]
机构：
[1] Univ Sao Paulo, Dept Quim & Fis Mol, Inst Quim Sao Carlos, Ctr, Av Trabalhador Sao Carlense 400, Sao Carlos, SP, Brazil
[2] Univ Sao Paulo, Dept Fis & Informat, Inst Fis Sao Carlo, Ctr, Av Trabalhador Sao Carlense 400, Sao Carlos, SP, Brazil
来源：
POLYHEDRON | 2017年 / 124卷
基金：
巴西圣保罗研究基金会;
关键词：
Ruthenium complex; Carbonyl; Carbon monoxide; Phosphorous acid; Phosphite; BIOLOGICAL-ACTIVITY; NITROSYL COMPLEX; PHOSPHORUS-ACID; CARBON-MONOXIDE; IN-VITRO; NO; RUTHENIUM(II); STABILIZATION; COORDINATION; REACTIVITY;
D O I：
10.1016/j.poly.2016.12.019
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Here, we report the synthesis, characterization, crystal data and OFT calculation of a new water-soluble ruthenium(II) carbonyl complex. The trans-[Ru(CO)(NH3)(4)P(O)(OH)(2)]Cl is a robust complex in aqueous media. The pK(a) of 3.3 for the phosphorous acid ligand in this complex was measured by infrared spectroscopy. The trans-[Ru(CO)(NH3)(4)P(O)(OH)(2)](+) exhibits just two slow reactions at pH 7.5: CO-Ru-P(O) (OH)2 to CO-Ru-(0)P(OH)2 isomerization (k = 1.1 x 10(-5) s(-1) at 25 degrees C) and subsequent P(O)(OH)2 dissociation (k = -1.7 x 10(-7) s(-1) at 25 C). The formation of O-bonded trans-fRu(CO)(NH3)(4)(O)P(OH)(2)](+) was supported by IR, UV-Vis and P-31 NMR spectroscopies and OFT calculations. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：184 / 190
页数：7
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