使用固体酸催化剂将糠醇转化为乙酰丙酸乙酯。
Conversion of furfuryl alcohol into ethyl levulinate using solid acid catalysts.
作者信息
Lange Jean-Paul, van de Graaf Wouter D, Haan René J
机构信息
Shell Global Solutions, Shell Research and Technology Centre, Badhuisweg 3, Amsterdam, Netherlands.
出版信息
ChemSusChem. 2009;2(5):437-41. doi: 10.1002/cssc.200800216.
PMID:19370740
Abstract
Furfural, a potential coproduct of levulinic acid, can be converted into levulinic acid via hydrogenation to furfuryl alcohol and subsequent ethanolysis to ethyl levulinate. The ethanolysis reaction is known to proceed in the presence of H(2)SO(4). We show here that several strongly acidic resins are comparably effective catalysts for this reaction. Optimal performance is achieved by balancing the number of acid sites with their accessibility in the resin. Acidic zeolites such as H-ZSM-5 also catalyze this reaction, although with a lower activity and a higher co-production of diethyl ether.
摘要
糠醛是乙酰丙酸的一种潜在副产物，可通过加氢转化为糠醇，随后醇解为乙酰丙酸乙酯，进而转化为乙酰丙酸。已知醇解反应在硫酸存在下进行。我们在此表明，几种强酸性树脂是该反应相当有效的催化剂。通过平衡树脂中酸位点的数量及其可及性可实现最佳性能。酸性沸石如H-ZSM-5也能催化该反应，尽管活性较低且乙醚的联产率较高。
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