A Rhodium(I)-Catalyzed Demethylation−Cyclization of o-Anisole-Substituted Ynamides in the Synthesis of Chiral 2-Amido Benzofurans
Organic Letters2007Vol. 9(12), pp. 2361–2364
Citations Over TimeTop 10% of 2007 papers
Jossian Oppenheimer, Whitney L. Johnson, M. R. Tracey, Richard P. Hsung, Peiyuan Yao, Renhe Liu, Kang Zhao
Abstract
A Rh(I)-catalyzed demethylation-cyclization sequence for a direct transformation of o-anisole-substituted ynamides to benzofurans is described here. The Ag salt functions synergistically with Rh(I) for the key demethylation step.
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