Layered Double Hydroxides-Supported Diisopropylamide: Synthesis, Characterization and Application in Organic Reactions

The layered double hydroxides‐supported diisopropylamide (LDH‐DA) catalyst is found to be an efficient and selective solid base for aldol, Knoevenagel, Henry, Michael, transesterification and epoxidation reactions under liquid phase conditions. LDH‐DA is synthesized by the interaction of lithium dii...

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Bibliographic Details
Published in:Advanced synthesis & catalysis 2006-03, Vol.348 (4-5), p.569-578
Main Authors: Kantam, M. Lakshmi, Ravindra, A., Reddy, Ch. Venkat, Sreedhar, B., Choudary, B. M.
Format: Article
Language:English
Subjects:
aldol reaction
epoxidation
Henry reaction
Knoevenagel reaction
layered double hydroxides
Michael addition
transesterification
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Summary:The layered double hydroxides‐supported diisopropylamide (LDH‐DA) catalyst is found to be an efficient and selective solid base for aldol, Knoevenagel, Henry, Michael, transesterification and epoxidation reactions under liquid phase conditions. LDH‐DA is synthesized by the interaction of lithium diisopropylamide with LDH‐NO3 (as‐synthesized) and calcined LDH‐NO3. The LDH‐DA (Mg/Al, 3/1) and their precursors are well characterized by using various instrumental techniques such as FT‐IR, TGA and DTA, powder XRD, solid state 27Al MAS NMR spectroscopy, SEM and XPS (ESCA).
ISSN:1615-4150
1615-4169
DOI:10.1002/adsc.200505266