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http://dx.doi.org/10.5012/bkcs.2013.34.10.2871

Novel Syntheses of Symmetric Alkyl-substituted β-Diketimines with Dimethylsulfate Assisted by Microwave  

Yoon, Saetbyeol (Department of Chemistry, Inha University)
Lee, Byoungki (Department of Chemistry, Inha University)
Lee, EungJoon (Department of Chemistry, Inha University)
Lee, Ik Mo (Department of Chemistry, Inha University)
Publication Information
Bulletin of the Korean Chemical Society / v.34, no.10, 2013 , pp. 2871-2876 More about this Journal
Abstract
We present an efficient and new preparative method for the symmetric ${\beta}$-diketimines assisted by microwave. A series of N,N'-symmetrically alkyl substituted ${\beta}$-diketimines have been synthesized from the reaction of O-acylation 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 ${\beta}$-diketimines including alkyl-substituted ${\beta}$-diketimines little reported yet has been successfully prepared. Much wider applications of these compounds in various fields are expected.
Keywords
Alkyl-substituted ${\beta}$-diketimines; Dimethylsulfate; Microwave; Condensation reaction; ${\beta}$-Ketoimines;
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