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Pyrrolidine‐based Dicationic Acidic Ionic Liquids: Efficient and Recyclable Catalysts for Esterifications
Author(s) -
Liu Xiaofei,
Zhao Yingwei,
Li Zhen,
Chen Jing,
Xia Chungu
Publication year - 2010
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201090334
Subject(s) - chemistry , ionic liquid , catalysis , pyrrolidine , organic chemistry , environmentally friendly , ionic bonding , ion , ecology , biology
A highly efficient and eco‐friendly esterification was achieved by a series of novel dicationic acidic ionic liquids (DAILs) containing double SO 3 H cations. High yields of the product esters were obtained by using 2 mol% of the DAILs as catalysts and DAIL I could be reused at least ten times without appreciable loss of its efficicency.
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