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Ammonium chloride catalyzed Knoevenagel condensation in PEG-400 as ecofriendly solvent

Waghmare, Smita R

Abstract

A simple and selective green methodology has been successfully developed for Knoevenagel condensation in polyethylene glycol-400 using 10 mol % ammonium chloride as catalyst. The method is applicable to a wide range of aromatic, heteroaromatic and α,β-unsaturated aldehydes. The reactions have been found to be clean and free from the formation of the Michael adduct.


Keyword(s)

Knoevenagel condensation, PEG-400, catalyst, ammonium chloride, α,β-unsaturated alkenes

 

 

 


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