Journal
TETRAHEDRON
Volume 67, Issue 24, Pages 4425-4430Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2011.03.093
Keywords
Palladium; Catalysis; C-H arylation; Heterobiaryl
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Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
- Kurata Memorial Hitachi Science and Technology Foundation
- Asahi Glass Foundation
- JSPS
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A Pd/bipy-based catalytic system for the C-H bond arylation of heteroarenes with haloarenes is described. The complex PdBr2(bipy)center dot DMSO, whose structure was unambiguously determined by X-ray crystallography, turned out to be a general catalyst precursor for the process. The reaction is applicable to a range of electron-rich five-membered heteroarenes, such as thiophenes, thiazoles, benzofurans, and indoles. (C) 2011 Elsevier Ltd. All rights reserved.
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