钛酸盐纳米管键合有机磺酸作为合成乙酰丙酸丁酯的固体酸催化剂。
Titanate nanotubes-bonded organosulfonic acid as solid acid catalyst for synthesis of butyl levulinate.
作者信息
Zhou Shuolin, Jiang Dabo, Liu Xianxiang, Chen Yiping, Yin Dulin
机构信息
National & Local United Engineering Laboratory for New Petrochemical Materials & Fine Utilization of Resources, College of Chemistry and Chemical Engineering, Hunan Normal University Changsha 410081 P. R. China
Changsha Normal University Changsha 410100 P. R. China.
出版信息
RSC Adv. 2018 Jan 18;8(7):3657-3662. doi: 10.1039/c7ra12994g. eCollection 2018 Jan 16.
In this study, titanate nanotubes-bonded organosulfonic acid (TNTs-SOH) was prepared and employed as an efficient heterogeneous catalyst for esterification of levulinic acid with -butanol. Two reaction products pseudo -butyl levulinate (pseudo-BL) and -butyl levulinate (BL) were detected by GC-MS. The catalyst showed 86.8% conversion of levulinic acid with 99.7% selectivity towards -butyl levulinate. TNTs-SOH exhibited strong acidic sites and high stability even after seven cycles of usage and would be well expected to be a potential candidate for alkyl levulinate production.
在本研究中，制备了钛酸酯纳米管键合有机磺酸（TNTs-SOH），并将其用作乙酰丙酸与正丁醇酯化反应的高效非均相催化剂。通过气相色谱-质谱联用仪（GC-MS）检测到两种反应产物，即假性乙酰丙酸丁酯（pseudo-BL）和乙酰丙酸丁酯（BL）。该催化剂显示乙酰丙酸的转化率为86.8%，对乙酰丙酸丁酯的选择性为99.7%。TNTs-SOH表现出强酸性位点，即使经过七个循环使用后仍具有高稳定性，有望成为生产乙酰丙酸酯的潜在候选催化剂。
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