A rhodium(I)-catalyzed demethylation-cyclization of o-anisole-substituted ynamides in the synthesis of chiral 2-amido benzofurans

被引:87
作者
Oppenheimer, Jossian
Johnson, Whitney L.
Tracey, Michael R.
Hsung, Richard P.
Yao, Pei-Yuan
Liu, Renhe
Zhao, Kang
机构
[1] Univ Wisconsin, Div Pharmaceut Sci, Madison, WI 53705 USA
[2] Univ Wisconsin, Dept Chem, Madison, WI 53705 USA
[3] Tianjin Univ, Coll Pharmaceut & Biotechnol, Tianjin 300072, Peoples R China
关键词
D O I
10.1021/ol0707362
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
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.
引用
收藏
页码:2361 / 2364
页数:4
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