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Cu(acac) 2 Immobilized in Ionic Liquids: A Recoverable and Reusable Catalytic System for Aza‐Michael Reactions
Author(s) -
Kantam M. Lakshmi,
Neeraja V.,
Kavita B.,
Neelima B.,
Chaudhuri Mihir K.,
Hussain Sahid
Publication year - 2005
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.200404361
Subject(s) - ionic liquid , chemistry , catalysis , copper , michael reaction , ionic bonding , reaction conditions , organic chemistry , combinatorial chemistry , polymer chemistry , ion
Copper(II) acetylacetonate immobilized in ionic liquids efficiently catalyzes the aza‐Michael reaction of amines with α,β‐unsaturated carbonyl compounds to produce the corresponding β‐amino carbonyl compounds with great alacrity in excellent yields. The reactions are far more facile than those reported earlier. The recovered ionic liquid phase containing the copper catalyst can be reused for several cycles with consistent activity.