Issue 51, 2022

Mesoporous acidic polymeric ionic liquids as novel solid acids for catalytic hydrolysis of ketoxime reactions

Abstract

In this study, a series of mesoporous acidic polymeric ionic liquids were successfully synthesized and characterized to explore their structures and properties. Examination of catalytic performance using cyclohexanone oxime's maximum conversion were investigated, and the Box–Behnken design was used to achieve the highest hydrolysis conversion. Excellent catalytic activity, structural stability, and an easy recovery feature were all displayed by the Poly(VBS-DVB)HSO4 catalyst. Additionally, a possible reaction pathway involving hydrogen protons was proposed for the present hydrolysis. Moreover, a series of ketoximes were also examined including acetone oxime, butanone oxime, cyclopentanone oxime and acetophenone oxime over Poly(VBS-DVB)HSO4 catalyst. The conversion of ketoxime was not less than 80.44%, and the results also demonstrated excellent catalytic performance. Synthesis of mesoporous acidic polymeric ionic catalysts with good properties would be very important for their applications.

Graphical abstract: Mesoporous acidic polymeric ionic liquids as novel solid acids for catalytic hydrolysis of ketoxime reactions

Supplementary files

Article information

Article type
Paper
Submitted
12 Okt. 2022
Accepted
15 Nov. 2022
First published
21 Nov. 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 33276-33283

Mesoporous acidic polymeric ionic liquids as novel solid acids for catalytic hydrolysis of ketoxime reactions

S. Zhao, Z. Ma, P. Cheng, Y. Wang, X. Zhao, Q. Yang, J. Zhang and D. Zhang, RSC Adv., 2022, 12, 33276 DOI: 10.1039/D2RA06422G

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