期刊
CANADIAN JOURNAL OF CHEMISTRY
卷 86, 期 4, 页码 325-332出版社
CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS
DOI: 10.1139/V08-023
关键词
Pd(0) catalyst; CH arylation; intramolecular cyclization; regioselectivity
Intramolecular CH arylation of pyrone, pyridone, uracil, imidazole, and benzimidazole derivatives are carried out in the presence of a Pd catalyst to form potentially bioactive fused heterocyclic compounds, whereas the n-Bu3SnH-mediated aryl radical cyclization of the precursors 3 afforded mainly halogen-reduced uncyclized products.
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