Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2003, Issue 24, Pages 4713-4716Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.200300587
Keywords
cross-coupling; microwaves; transition metals; water chemistry
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Microwave-assisted transition-metal-free Sonogashira-type coupling reactions are described. The reactions are run in water as the sole solvent, without the need for copper(I) or any transition-metal-phosphane complex. The scope of the methodology was tested by reaction of a wide variety of aryl halides and heteroaryl halides. The reaction was also investigated under conventional heating conditions. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)
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