Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2013, Issue 9, Pages 1644-1648Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201201689
Keywords
Synthetic methods; Cross-coupling; Alkynes; Heterocycles; Palladium; Halides
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Funding
- International S&T Cooperation Program of Jiangsu Province [BZ2010048]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars
- Chinese State Education Ministry
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Key Laboratory of Organic Synthesis of Jiangsu Province
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Sonogashira-type cross-couplings of functionalized heterocyclic halides with terminal alkynes were performed efficiently at room temperature. The heteroaryl halides were easily prepared from the corresponding heterocyclic compounds. The catalytic system tolerated a very broad scope of substrates; oxazoles, thiazoles, and furans participate in this type of reaction for the first time. This reaction provides an efficient method for the direct functionalization of heterocycles.
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