Journal
TETRAHEDRON LETTERS
Volume 53, Issue 19, Pages 2388-2391Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.02.102
Keywords
Suzuki coupling; Green chemistry; Pd(II) complexes; Microwave irradiation; Aryl chlorides
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Funding
- Research Board of Zonguldak Karaelmas University [BAP-2010-13-02-02, BAP-2011-10-03-11, BAP-2011-10-03-012]
- Spanish Government [MAT2009-14564-C01]
- Generalitat Valenciana [PROMETEO/2009/016]
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The Suzuki coupling of aryl chlorides with boronic acids using a ferrocene-containing Pd(II)-diimine complex as catalyst, in aqueous media, under microwave heating is reported. A small amount of the catalyst (0.1%) was found to be highly effective for coupling unactivated aryl chlorides with boronic acids to form sterically hindered ortho-substituted biaryls. The same catalyst also enabled the coupling of aryl bromides and iodides with various boronic acids in very high yields. The catalyst is air stable and the catalytic reaction can be completed in 15 min. (C) 2012 Elsevier Ltd. All rights reserved.
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