Direct hydrogenolysis of glycerol into 1,3-propanediol over rhenium-modified iridium catalyst
Direct hydrogenolysis of glycerol into 1,3-propanediol over rhenium-modified iridium catalyst
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DOI：
10.1016/j.jcat.2010.04.009
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发表时间：
2010-06-15
影响因子：
7.3
通讯作者：
Tomishige, Keiichi
中科院分区：
文献类型：
--
作者：
Nakagawa, Yoshinao;Shinmi, Yasunori;Tomishige, Keiichi
氧化铼修饰的二氧化硅负载铱纳米粒子催化甘油在水介质中直接氢解生成1，3-丙二醇。在初始阶段对1，3-丙二醇的选择性达到67 ± 3%。在甘油转化率为81%时，1，3-丙二醇的收率可达38%。催化剂的表征和醇的反应性表明，1，3-丙二醇是由活性氢物种的攻击金属铱的1-甘油酯物种上形成的氧化铱簇。(C)2010年爱思唯尔公司All rights reserved.
Rhenium-oxide-modified supported iridium nanoparticles on silica catalyzes direct hydrogenolysis of glycerol to 1,3-propanediol in an aqueous media. The selectivity to 1,3-propanediol at an initial stage reaches 67 +/- 3%. The yield of 1,3-propanediol reaches 38% at 81% conversion of glycerol. The characterization of catalyst and the reactivity of alcohols suggest that 1,3-propanediol is produced by the attack of active hydrogen species on iridium metal to 1-glyceride species formed on the oxidized rhenium cluster. (C) 2010 Elsevier Inc. All rights reserved.