4.4 Article

Pd(OAc)2 catalyzed homocoupling of arenediazonium salts in ionic liquids: synthesis of symmetrical biaryls

Journal

TETRAHEDRON LETTERS
Volume 57, Issue 6, Pages 663-667

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2015.12.108

Keywords

Symmetrical biaryls; Imidazolium-IL; Arenediazonium salts; Pd(OAc)(2) homocoupling

Funding

  1. Department of Science and Technology, Science and Engineering Research Board New Delhi (DST-SERB) Project [SB/FT/CS-175/2013]
  2. UNF

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A facile, high yielding, and simple method for the synthesis of a library of symmetrical biaryls by homo-coupling of arenediazonium salts is reported, employing catalytic amounts of Pd(OAc)(2) and the readily available imidazolium ionic liquids (ILs), without oxidants, ligands, additives, or volatile solvents. Simple product isolation and recycling/reuse of the IL represent additional advantages of this method. (C) 2015 Elsevier Ltd. All rights reserved.

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