Direct syntheses of benzofuran-2(3H)-ones and benzofuran-3(2H)-ones from 1-(2-hydroxyphenyl)alkan-1-ones by CuBr2 or CuCl2

被引:11
|
作者
Miyake, Hideyoshi [1 ]
Nishimura, Akinori
Yago, Misato
Sasaki, Mitsuru
机构
[1] Kobe Univ, Fac Agr, Nada Ku, Kobe, Hyogo 6578501, Japan
[2] Kobe Univ, Grad Sch Sci & Technol, Nada Ku, Kobe, Hyogo 6578501, Japan
关键词
D O I
10.1246/cl.2007.332
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
New syntheses of benzofuran-2(3H)-ones and benzofuran-3(2H)-ones from 1-(2-hydroxyphenyl)alkan-1-ones via oxidative cyclization by CuBr2 or CuCl2 are described. A new synthesis of 1H-isochromene-1,4(3H)-diones via similar procedures is also described.
引用
收藏
页码:332 / 333
页数:2
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