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Synthesis of Dicationic Ionic Liquids and their Application in the Preparation of Hierarchical Zeolite Beta
Author(s) -
Kore Rajkumar,
Satpati Biswarup,
Srivastava Rajendra
Publication year - 2011
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201102946
Subject(s) - ionic liquid , zeolite , beta (programming language) , imidazole , piperidine , chemistry , catalysis , ionic bonding , inorganic chemistry , organic chemistry , ion , computer science , programming language
Piperidine‐ and imidazole‐based dicatoinic ionic liquids have been developed for the synthesis of zeolite Beta. Hierarchical Beta has a larger surface area and pore volume than conventional Beta. Beta derived from a dicationic ionic liquid exhibited remarkably higher catalytic activity than the conventional Beta. Experimental evidence and DFT calculations suggest that only a suitable conformation of such dicationic ionic liquids is able to form zeolite Beta (see scheme).