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Synfacts 2005(2): 0213-0213
DOI: 10.1055/s-2005-916063
DOI: 10.1055/s-2005-916063
Synthesis of Heterocycles
© Georg Thieme Verlag Stuttgart · New York
Synthesis of Stable Organic Radicals by Suzuki-Miyaura Cross-Coupling
C. Stroh, M. Mayor*, C. von Hänisch
Institute for Nanotechnology, Forschungszentrum Karlsruhe GMBH, Germany
Further Information
Publication History
Publication Date:
25 October 2005 (online)
Significance
A Suzuki-Miyaura cross-coupling reaction between aryl boronic acids with an aryl iodide bearing a nitronyl-nitroxide radical is reported. The modest to good yields are assumed to be due to the instability of the nitronyl-nitroxide biaryl products, suggesting potential improvement by selection of more suitable catalysts. The products were characterized by SQUID (superconducting quantum interference device), a method that confirms identity and purity; two of them were fully characterized by X-ray crystal structure analysis.