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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 5
BKCSDE 31(5)
May 20, 2010 

Solvent-Free Michael Addition Between EMME and Secondary Amine under Focused Microwave Irradiation
Ki Won Kim, Hee Jung Lee, Jeong Im Jo, Tae Woo Kwon
Focused microwave-assisted irradiation, Solvent-free Michael addition, Diethyl ethoxymethylenemalonate, Secondary amines, Diethyl 2-((diaryl or dialkyl lamino) methylene) malonate
Microwave-assisted Michael reaction between EMME and various amines such as diphenylamine, 4-methyl-N-phenylbenzenamine, N-phenylnaphthalen-1-amine, dihexylamine, diisopropylamine, and 4-nitrobenzenamine were described. Solvent-free conditions on alumina as solid support in the presence of K2CO3 catalysts gave moderate to good yields (55 - 93%) of diethylmalonate analogues having enamine moieties under focused microwave irradiation.
1155 - 1158
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