Colloids and Surfaces A 538 (2018) 534–541 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa An amphiphilic graphene oxide-based triphase catalyst for highly eﬃcient synthesis of benzyl esters Bing Xue, Xueyuan Liang, Na Liu, Tongchun Xu, Jie Xu, Yongxin Li Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: In this study, graphene oxide-grafted pyridine-based ionic liquids were prepared and used as novel and highly Graphene oxide eﬃcient triphase catalysts for the synthesis of benzyl esters by the nucleophilic substitution reaction of benzyl Pyridine-based ionic liquids halide with carboxylic acid salt. The as-prepared catalysts were characterized through several technologies in- Graft cluding Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, elemental analysis, atomic Triphase catalysts force microscopy and thermal gravimetric analysis. The catalysts showed excellent catalytic performances in the Benzyl esters synthesis of benzyl esters by the above-mentioned reaction. High conversion of benzyl halide (99%) and se- lectivity of benzyl ester (97%) were obtained after 6 h at 120 °C over the catalysts. Furthermore, the as-prepared triphase catalysts could be easily recovered and reused at least ﬁve times
Geoderma – Elsevier
Published: Feb 15, 2019
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