Mild arylboronic acid catalyzed selective [4+3] cycloadditions: access to cyclohepta[b]benzofurans and cyclohepta[b]indoles

被引：34

作者：

Cao, Kou-Sen ^{[1
]}

Bian, Hong-Xu ^{[1
]}

Zheng, Wen-Hua ^{[1
]}

机构：

[1] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China

来源：

ORGANIC & BIOMOLECULAR CHEMISTRY | 2015年 / 13卷 / 23期

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

ALCOHOLS; STRATEGY; AMIDE; CONDENSATION; DERIVATIVES; CYCLIZATION; FULVENES; KETONES; TANDEM;

D O I：

10.1039/c5ob00653h

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The first example of arylboronic acid catalyzed [4 + 3] cycloaddition reaction is reported. 3,5-Bis-(trifluoromethyl) phenylboronic acid is shown to be the best catalyst in this reaction. The method has also enabled the preparation of cyclohepta[b]benzofurans and cyclohepta[b]indoles in excellent yields.

引用

页码：6449 / 6452

页数：4

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