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Research articles

ScienceAsia 39(2013): 50-54 |doi: 10.2306/scienceasia1513-1874.2013.39.050


Benzoin condensation of aromatic aldehydes catalysed by N,N-dimethylbenzimidazolium iodide and NaOH under green conditions


Viwat Hahnvajanawong*, Wijitra Waengdongbung, Surachai Piekkaew, Baramee Phungpis, Parinya Theramongkol

 
ABSTRACT:     Benzoin condensation of aromatic aldehydes catalysed by N,N-dimethylbenzimidazolium iodide and NaOH was performed either in ionic liquid or water or in the absence of solvent. Reusability of the catalyst mixture in all cases was demonstrated.

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Department of Chemistry and Centre of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002 Thailand

* Corresponding author, E-mail: viwhah@kku.ac.th

Received 12 Oct 2012, Accepted 6 Dec 2012