[1]傅雯倩,吴蒙雨,陈中淼,等.酸性Cu/ZSM-5-NA催化剂提高肉桂酸脱羧偶联反应活性[J].常州大学学报(自然科学版),2020,32(05):35-42+66.[doi:10.3969/j.issn.2095-0411.2020.05.005]
　FU Wenqian,WU Mengyu,CHEN Zhongmiao,et al.Acidic Cu/ZSM-5-NA Catalyst Enhancement of Cinnamic Acid Decarboxylative Cross-Coupling Reaction Activity[J].Journal of Changzhou University(Natural Science Edition),2020,32(05):35-42+66.[doi:10.3969/j.issn.2095-0411.2020.05.005]
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酸性Cu/ZSM-5-NA催化剂提高肉桂酸脱羧偶联反应活性()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第32卷
期数:
2020年05期
页码:
35-42+66
栏目:
化学化工
出版日期:
2020-09-28

文章信息/Info

Title:
Acidic Cu/ZSM-5-NA Catalyst Enhancement of Cinnamic Acid Decarboxylative Cross-Coupling Reaction Activity
文章编号:
2095-0411(2020)05-0035-08
作者:
傅雯倩; 吴蒙雨; 陈中淼; 王 辉
常州大学 石油化工学院,江苏 常州 213164
Author(s):
FU Wenqian;  WU Mengyu;  CHEN Zhongmiao;  WANG Hui
School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
关键词:
纳米ZSM-5沸石;  酸性;  脱羧偶联;  肉桂酸
Keywords:
nanosized ZSM-5 zeolite;  acidity;  decarboxylative cross-coupling;  cinnamic acid
分类号:
TQ 463.3
DOI:
10.3969/j.issn.2095-0411.2020.05.005
文献标志码:
A
摘要:
以含有季铵基团的高分子聚合物为模板剂合成酸性的、纳米粒子组装的ZSM-5沸石(ZSM-5-NA),并制备了Cu/ZSM-5-NA催化剂,相比较于ZSM-5-NA及微孔ZSM-5沸石负载的Cu催化剂,其在肉桂酸与四氢呋喃的脱羧偶联反应中表现出优异的催化性能。这是由于Cu/ZSM-5-NA催化剂上的酸性位点不仅能够促进四氢呋喃转变为对应的烷基自由基,而且催化剂中的Cu物种可以与肉桂酸中的羧基氧原子配位,进一步提高底物的反应活性。
Abstract:
An acidic ZSM-5 zeolite composed by nanocrystals(ZSM-5-NA)was successfully synthesized using a polymer containing quaternary ammonium group as a soft template, and was used for preparation of Cu/ZSM-5-NA catalyst. Cu/ZSM-5-NA catalyst shows superior catalytic performance in the decarboxylative cross-coupling of the cinnamic acid with tetrahydrofuran, as compared to ZSM-5-NA and conventional ZSM-5 zeolite supported Cu catalyst. This feature should be due to the fact that the acidic sites in Cu/ZSM-5-NA catalyst can facilitate the tetrahydrofuran transformation into corresponding alkyl radical, and the Cu species in the catalyst could be coordinated with carboxyl in cinnamic acid, improving the reaction activity of the substrate.

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备注/Memo

备注/Memo:
收稿日期:2020-02-05。
基金项目:国家自然科学石油化工联合基金资助项目(U1662139); 中国石油科技创新基金资助项目(2018D-5007-0401)。
作者简介:傅雯倩(1987—),女,浙江金华人,博士,讲师。E-mail:fuwenqian@cczu.edu.cn
更新日期/Last Update: 2020-09-20