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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 10
BKCSDE 34(10)
October 20, 2013 

Novel Syntheses of Symmetric Alkyl-substituted β-Diketimines with Dimethylsulfate Assisted by Microwave
Saetbyeol Yoon, Byoungki Lee, EungJoon Lee, Ik Mo Lee*
Alkyl-substituted β-diketimines, Dimethylsulfate, Microwave, Condensation reaction, β-Ketoimines
We present an efficient and new preparative method for the symmetric β-diketimines assisted by microwave. A series of N,N'-symmetrically alkyl substituted β-diketimines have been synthesized from the reaction of Oacylation with dimethylsulfate. Higher reproducibility and yield, lower cost and much improved green nature originated from no solvent condition and higher energy efficiency due to faster reaction time are major merits of this new method. In addition to these merits, almost every kind of β-diketimines including alkyl-substituted β-diketimines little reported yet has been successfully prepared. Much wider applications of these compounds in various fields are expected.
2871 - 2876
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