A new complex of palladium-thiourea and carbon tetrabromide catalyzed carbonylative annulation of o-hydroxylarylacetylenes:: Efficient new synthetic technology for the synthesis of 2,3-disubstituted benzo[b]furans

被引:150
作者
Nan, Y [1 ]
Miao, H [1 ]
Yang, Z [1 ]
机构
[1] Harvard Univ, Harvard Inst Chem & Cell Biol, Boston, MA 02115 USA
关键词
D O I
10.1021/ol991327b
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHICS] A highly effective cocatalysis system (Pdl(2)-thiourea and CBr4) was developed for carbonylative cyclization of bath electron-rich and electron-deficient o-hydroxylarylacetylenes to the corresponding methyl benzo[b]furan-3-carboxylates.
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页码:297 / 299
页数:3
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