Ruthenium complex immobilized on poly(4-vinylpyridine)-functionalized carbon-nanotube for selective aerobic oxidation of 5-hydroxymethylfurfural to 2,5-diformylfuran

被引：62
作者：
Chen, Jinzhu [1 ]
Zhong, Jiawei [1 ,3 ]
Guo, Yuanyuan [1 ]
Chen, Limin [2 ]
机构：
[1] Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
[2] S China Univ Technol, Coll Environm & Energy, Guangzhou 510006, Guangdong, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
RSC ADVANCES | 2015年 / 5卷 / 08期
基金：
中国国家自然科学基金;
关键词：
ONE-STEP APPROACH; SUPPORTED RUTHENIUM; ACTIVATED CARBON; ONE-POT; BIOMASS; DERIVATIVES; CATALYST; HYDROGENATION; 5-HYDROXYMETHYL-2-FURALDEHYDE; CHEMICALS;
D O I：
10.1039/c4ra14592e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polymer/carbon composite material of poly(4-vinylpyridine)-functionalized carbon-nanotube (PVP/CNT) was prepared by in situ polymerization of 4-vinylpyridine monomer in the presence of CNT suspension. Raman spectra analysis confirmed the almost unchanged graphitized surfaces of CNT moiety in the PVP/CNT after the covalent functionalization of pristine CNT with PVP. Catalyst made of ruthenium complex immobilized on PVP/CNT (Ru-PVP/CNT) was fully characterized by ICP-OES, TG-DTA, FT-IR, Raman, XRD, UV-vis, BET, TEM, XPS and H-2-TPR. Moreover, Ru-PVP/CNT shows excellent catalytic performance towards the selective oxidation of biomass-based 5-hydroxymethylfurfural (HMF) to 2,5-diformylfuran (DFF) with molecular oxygen as oxidant. The reaction parameters such as the reaction temperature, reaction time, solvent, catalyst amount, oxidant, and oxygen pressure were systematically investigated for this important biomass-related transformation. Under the optimal condition, a DFF yield of 94% with a full HMF conversion were obtained by using Ru-PVP/CNT in N, N-dimethylformamide (DMF) under 2.0 MPa O-2 at 120 degrees C.
引用
收藏
页码：5933 / 5940
页数：8
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