乙酰丙酸催化加氢制备γ-戊内酯的研究进展
Recent Advances in theHydrogenation of Levulinic Acid to γ-Valerolactone
查看参考文献63篇
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文摘
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植物通过光合作用将CO_2和水转化为生物质,利用生物质我们可以得到能源原料、化工中间体等有用的产品.从生物质获得可再生能源与资源方面研究得较多的是纤维素和木质素的转化.纤维素由D-葡萄糖单体通过β-糖苷键连接而形成,水解打开糖苷键可以得到寡聚葡萄糖和葡萄糖单体,寡聚葡萄糖可以进一步水解为葡萄糖单体.葡萄糖单体能作为合成众多能源、化工成品的前体,例如5-羟甲基糠醛(5-HMF),乙二醇,丙二醇, 己二酸,乙酰丙酸(LA),γ-戊内酯(GVL)等.其中γ-戊内酯由于其独特的物理化学性质,在工业中有很大的用途:由于其蒸汽压(80℃时3.5 kpa)低、稳定,可以在全球范围内大量运输;其具有果香味且无毒,可以作为食品添加剂;其还可以作为高品位且生态友好的溶剂,燃料添加剂,或者进一步合成戊酸酯、5-壬酮、丁烯以及长链烯烃等,这些化合物具有更高的热值,可以作为高品味燃料的候选;戊内酯还可以通过羧基化反应得到己二酸,而己二酸又是合成尼龙的前体,这就实现了从纤维素到尼龙的合成路线,及所谓的“生物质基尼龙”. |
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其他语种文摘
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γ-Valerolactone (GVL) has been identified as versatile building blocks in the preparation of numerous fine chemicals. It could also be used as additives in fuel, solvents and food due to its unique physical and chemical properties. This review summarized the different catalyst systems of the GVL synthesis and divided them into homogeneous and heterogeneous systems. Additionally, we would like to focus on the heterogeneous catalyst system, since homogeneous catalysts have obvious drawbacks in recycling and reusability. However, previously reported noble metal catalysts also have some disadvantage in their high cost and instability. Therefore, developing the economical non-noble catalyst system with high efficiency and stability has practical values. |
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来源
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分子催化
,2014,28(4):384-392 【核心库】
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关键词
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γ-戊内酯
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乙酰丙酸
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催化
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合成
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地址
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中国科学院兰州化学物理研究所, 羰基合成与选择氧化国家重点实验室, 甘肃, 兰州, 730000
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1001-3555 |
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学科
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化学 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:5227879
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