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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Hexagonally packed Pd nanoarray catalyst for liquid-phase enantioselective hydrogenation of acetophenone to R-(+)-1-phenylethanol in the presence of S-proline
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Hexagonally packed Pd nanoarray catalyst for liquid-phase enantioselective hydrogenation of acetophenone to R-(+)-1-phenylethanol in the presence of S-proline

机译:在S-脯氨酸存在下,六方堆积的Pd纳米阵列催化剂用于苯乙酮的液相对映异构氢化为R-(+)-1-苯基乙醇

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摘要

Hexagonally packed Pd nanoarray catalyst was prepared via the "two solvents" strategy with mesoporous molecular sieve SBA-15 as a hard template. By using S-proline as the chiral modifier, the catalyst exhibited superior activity and selectivity in liquid-phase hydrogenation of acetophenone to R-(+)-1-phenylethanol with up to 100% chemoselectivity and 28.8% enantiomeric excess. The presence of S-proline and the regular hexagonal mesostructure of the Pd nanoarray catalyst are crucial for its superior catalytic performance.
机译:通过“两种溶剂”策略以中孔分子筛SBA-15作为硬模板制备了六方堆积的Pd纳米阵列催化剂。通过使用S-脯氨酸作为手性改性剂,该催化剂在苯乙酮向R-(+)-1-苯基乙醇的液相加氢中表现出优异的活性和选择性,化学选择性高达100%,对映体过量达28.8%。 Pd纳米阵列催化剂中S-脯氨酸的存在和规则的六边形介观结构对其优越的催化性能至关重要。

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