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氯化三(三苯基膦)合铑(I) CAS号:14694-95-2
    发布时间: 2020-04-21 23:17    

简介

        Wilkinson's catalyst is the common name for chlorotris(triphenylphosphine)rhodium(I), a coordination compound with the formula RhCl(PPh3)3 (Ph = phenyl). It is named after the chemist and Nobel Laureate, Sir Geoffrey Wilkinson who popularized its use. Wilkinson’s catalyst is a homogeneous organometallic catalyst, RhCl(PPh3)3, which catalyzes the hydrogenation of olefins. Catalytic processes can be categorized into two groups: 1) homogeneous catalysis which is a process where the catalysts and reactants remain in the same phase; and 2) heterogeneous catalysis which defines as where the reactants and catalysts are in different phases. The catalytic discovery was made independently by Wilkinson and Coffey in 1964. Wilkinson completely explored the scope, selectivity, and mechanism of the complex which catalyzes the hydrogenation of olefins. This compound is now commonly referred to as “Wilkinson’s catalyst". Cite error: A tag is missing the closing (see the help page).

基本信息

中文名称 氯化三(三苯基膦)合铑(I) 英文名称 Chlorotris(triphenylphosphine)rhodium(I)
中文别名

三苯基膦氯铑(I);三(三苯基膦)氯化铑(I);三(三苯基膦)合铑氯;铑膦;三(三苯基膦)氯化铑;


英文别名

(SP-4)chloridotris(triphenylphosphane) rhodium;RhCl(PPh3)3;Rhodium(I) tris(triphenylphosphine) chloride;Tris(triphenylphosphine)rhodium(I) chloride;Tris(triphenylphosphine)chlororhodium;


CAS号 14694-95-2 分子式 C54H45ClP3Rh
分子量 925.21500 精确质量 924.14800
PSA 40.77000 LOGP 11.02390

物化性质

外观与性状:洋红晶体           沸点:>170°C           熔点:245-250 °C (dec.)           闪点:181.7ºC           水溶解性:不溶 
稳定性:Stable at room temperature in closed containers under normal storage and handling conditions. 
储存条件:2-8º

用途:

1. 石蜡加氢催化剂;                                 2. 在温和条件下进行催化加氢;
3. 醛脱羰基反应催化剂;                          4. 丙稀的局部取代反应。



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