4.4 Article

Ionic liquids accelerate access to N-substituted-1,8-naphthalimides

Journal

TETRAHEDRON LETTERS
Volume 52, Issue 7, Pages 767-769

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.12.015

Keywords

Room temperature ionic liquids; 1,8-Naphthalimides; Focused libraries; [BMIM][NO(3)]

Funding

  1. Australian Research Council
  2. National Health and Medical Research Council (Australia)
  3. University of Newcastle

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The synthesis of N-substituted-1,8-naphthalimides is accelerated in the presence of the room temperature ionic liquid [BMIM][NO(3)]. Reaction times are reduced from 18 h in volatile organic compounds (VOCs) (PhCH(3), EtOH and THF) to 20 min in the ionic liquid [BMIM][NO(3)]. The reaction yields are typically increased to >85% and the products are isolated by ethanol-mediated precipitation direct from the ionic liquid, requiring no further purification. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.

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