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首页> 外文期刊>European journal of inorganic chemistry >Synthesis, Chemistry, and Catalytic Activity of Ruthenium Diaminodiphosphane Complexes - Crystal Structures of trans-[RuCl_2{k~3-Ph_2PC_6H_4CH=NC_6H_(10)N(H)CH_2C_6H_4PPh_2}(PPh_3)] and cis-[RuCl_2{k~4-Ph_2PC_6H_4CH=NC_6H_(10)N(H)CH_2C_6H_4PPh)2}]
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Synthesis, Chemistry, and Catalytic Activity of Ruthenium Diaminodiphosphane Complexes - Crystal Structures of trans-[RuCl_2{k~3-Ph_2PC_6H_4CH=NC_6H_(10)N(H)CH_2C_6H_4PPh_2}(PPh_3)] and cis-[RuCl_2{k~4-Ph_2PC_6H_4CH=NC_6H_(10)N(H)CH_2C_6H_4PPh)2}]

机译:钌二氨基二膦配合物的合成,化学及催化活性-反式-[RuCl_2 {k〜3-Ph_2PC_6H_4CH = NC_6H_(10)N(H)CH_2C_6H_4PPh_2}(PPh_3)]和顺式[RuCl_2 {k〜4- Ph_2PC_6H_4CH = NC_6H_(10)N(H)CH_2C_6H_4PPh)2}]

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摘要

The interaction of [RuCl_2(PPh_3)_3] with one equivalent of N,N'-bis[2-(diphenylphosphanyl)benzyl]-1R,2R-cyclo-hexanediamine [1R,2R-P(NH)(NH)_P] in dichloromethane at room temperature gave trans-[RuCl_2{k~3-1R,2R-0(NH)(NH)P}(PPh_3)] (1). When heated under reflux in toluene under a nitrogen atmosphere, 1 was converted into trans-[RuCl_2{k~4-1R,2R-P(NH)(NH)P}] (2). However, when 1 was stirred at room temperature in air, it was oxidized to trans-[RuCl_2{k~3-1R,2R-PN(NH)P}(PPh_3)] (3). Depending on the reaction conditions, 3 was converted into trans-[RuCl_2{k~3-1R,2R-P(NH)(NH)P=O}(PPh_3)] (4) when heated to 80 ℃ in toluene in air, to cis[RuCl_2{k~4-1R,2R-PN(NH))P}] (5) when stirred at room temperature in acetone in air, or to trans-[RuCl_2{k~4-1R,2R-PN(NH)P}] (6) when heated under reflux in acetone under a nitrogen atmosphere. When heated under reflux in toluene under a nitrogen atmosphere, 5 isomerized to 6 quantitatively. When heated under reflux in mesitylene under a nitrogen atmosphere, 6 was slowly reduced to 2. The solid state structures of 3 and 5 were ascertained by X-ray crystallography. Catalytic studies showed that 1 could catalyze the oxidation of alkenes and alkenes with molecular oxygen.
机译:[RuCl_2(PPh_3)_3]与一当量的N,N'-双[2-(二苯基膦基)苄基] -1R,2R-环己二胺[1R,2R-P(NH)(NH)_P]的相互作用在室温下于二氯甲烷中得到反-[RuCl_2 {k〜3-1R,2R-0(NH)(NH)P}(PPh_3)](1)。在氮气气氛下在甲苯中加热回流时,将1转化为反式-[RuCl_2 {k〜4-1R,2R-P(NH)(NH)P}](2)。但是,在室温下于空气中搅拌1时,其被氧化为反式-[RuCl_2 {k〜3-1R,2R-PN(NH)P}(PPh_3)](3)。根据反应条件,在甲苯中于空气中加热到80℃时,3转化为反式[RuCl_2 {k〜3-1R,2R-P(NH)(NH)P = O}(PPh_3)](4) ,在室温下于丙酮中于空气中搅拌时,顺式[RuCl_2 {k〜4-1R,2R-PN(NH))P}](5),或反式-[RuCl_2 {k〜4-1R,2R- PN(NH)P}](6),在氮气气氛下在丙酮中加热回流。在氮气气氛下在甲苯中加热回流时,将5异构化为6。在氮气氛下在1,3,5-三甲苯中在回流下加热时,将6缓慢还原为2。通过X射线晶体学确定3和5的固态结构。催化研究表明1可以催化烯烃和烯烃与分子氧的氧化。

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