Research advances of cerium oxide acid-base catalyzed organic functionalization reaction
JIAO Dongxia1, 2, WANG Yehong1*, ZHANG Zhixin1, LEI Lijun1, WANG Feng1*
(1 Dalian Institute of Chemical Physics (DICP), Chinese Academy of Sciences, Dalian 116023, Liaoning, China;2 Energy College, University of the Chinese Academy of Sciences, Beijing 100049, China)
Abstract:
Cerium oxide (CeO2) is commonly used as a typical redox catalyst in traditional reaction due to its unique oxygen storage and release ability, and it can efficiently catalyze the automobile tail gas and water vapor transformation reaction. In addition, the acid-base properties of CeO2 catalysts are closely related to their unique defect properties, and can be regulated to a certain extent. Thus, the organic functionalization reaction catalyzed by acid-base CeO2 has attracted public attention in recent years. The effective regulation methods for the acid-base properties of CeO2 catalysts and the application of CeO2 in the acid-base catalyzed organic functionalization reaction are reviewed in this paper. Taking the dehydration of alcohol, hydrolysis of ether, ester and nitrile, ketoylation of acid and ester, Aldol condensation and Prins condensation as examples, the recent research status of acid-base catalytic performance of CeO2 is introduced in detail. The difficulties and challenges in the field of CeO2 acid-base catalysis are put forward, and the future research direction and prospect of this field are proposed,so as to broaden the boundary of traditional acid-base catalysis system, and create more possibilities for the development of green and efficient organic synthesis path.
KeyWords:
cerium oxide; Lewis acid-base properties; defect modulation; functionalization reaction