4.6 Article

Synthesis of Dipentyl Carbonate by Transesterification Using Basic Ionic Liquid [bmIm]OH Catalyst

Journal

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 51, Issue 15, Pages 5433-5437

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ie202628m

Keywords

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Funding

  1. Shanghai Leading Academic Discipline Project [J51503]
  2. National Natural Science Foundation of China [20976105]
  3. Science and Technology Commission of Shanghai Municipality [09QT1400600]
  4. Shanghai Municipal Education Commission [11ZZ179, 09YZ387]

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The catalytic synthesis from transesterification of dimethyl carbonate (DMC). and 1-pentanol (1-PeOH) over alkaline ionic liquid 1-butyl-3-methylimidazolium hydroxide ([bmIm]OH), as well as the optimal reaction conditions, was studied. Results showed that [bmIm]OH exhibited high activity and when the reaction time was 4 h, catalyst dosage was 2.0%, n(DMC):n(1-PeOH) was 1:4, and the dipentyl carbonate (DPC) yield was up to 75.81%. After the alkaline ionic liquid [bmIm]OH was used 5 times repeatedly, the catalytic activity still remained at 94%.

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