Multifunctional periodic mesoporous organosilica supported dual imidazolium ionic liquids as novel and efficient catalysts for heterogeneous knoevenagel condensation
Joint Authors
Liu, Xiang
Yao, Nan
Tan, Jin
Hu, Yu Lin
Liu, Yang
Source
Journal of Saudi Chemical Society
Issue
Vol. 23, Issue 6 (30 Sep. 2019), pp.740-752, 13 p.
Publisher
Publication Date
2019-09-30
Country of Publication
Saudi Arabia
No. of Pages
13
Main Subjects
Topics
Abstract EN
A type of multifunctional periodic mesoporous organosilica supported dual imidazolium ionic liquids PMO-IL-anion have been designed and prepared, characterized and evaluated as heterogeneous catalysts for the Knoevenagel condensation.
The as-fabricated supported ionic liquids show good catalytic performances in the Knoevenagel condensation at room temperature, especially the supported ionic liquids PMO-IL-NTf2 and PMO-IL-PF6, based on a synergetic effect between the Lewis-base-type sites of dual functionalized imidazolium ionic liquids and active sites of periodic mesoporous organosilica.
The best catalytic performance over PMO-IL-NTf2 was observed with excellent yields of 9399% in a short time of 2030 min.
In addition, the heterogeneous catalyst offers simple operation for recovery and the recycling test showed that it could be reused for five times without significant loss of catalytic activity, thus making this process economical and environmental-friendly
American Psychological Association (APA)
Yao, Nan& Tan, Jin& Liu, Xiang& Liu, Yang& Hu, Yu Lin. 2019. Multifunctional periodic mesoporous organosilica supported dual imidazolium ionic liquids as novel and efficient catalysts for heterogeneous knoevenagel condensation. Journal of Saudi Chemical Society،Vol. 23, no. 6, pp.740-752.
https://search.emarefa.net/detail/BIM-892339
Modern Language Association (MLA)
Yao, Nan…[et al.]. Multifunctional periodic mesoporous organosilica supported dual imidazolium ionic liquids as novel and efficient catalysts for heterogeneous knoevenagel condensation. Journal of Saudi Chemical Society Vol. 23, no. 6 (Sep. 2019), pp.740-752.
https://search.emarefa.net/detail/BIM-892339
American Medical Association (AMA)
Yao, Nan& Tan, Jin& Liu, Xiang& Liu, Yang& Hu, Yu Lin. Multifunctional periodic mesoporous organosilica supported dual imidazolium ionic liquids as novel and efficient catalysts for heterogeneous knoevenagel condensation. Journal of Saudi Chemical Society. 2019. Vol. 23, no. 6, pp.740-752.
https://search.emarefa.net/detail/BIM-892339
Data Type
Journal Articles
Language
English
Notes
Text in English ; abstracts in .
Record ID
BIM-892339