Copper(I)-Catalyzed 3-Position Methylation of Coumarins by Using Di-tert-butyl Peroxide as the Methylation Reagents

被引:20
作者
Zhuang, Huan [1 ]
Zeng, Runsheng [1 ]
Zou, Jianping [1 ]
机构
[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Key Lab Organ Synth Jiangsu Prov, Suzhou 215123, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
CuCl; di-tert-butyl peroxide; methylation; coumarin; PALLADIUM-CATALYZED METHYLATION; C-H METHYLATION; BOND FUNCTIONALIZATION; COUPLING REACTION; CAFFEINE; INHIBITORS; DISCOVERY; OXINDOLES; ALKENES; SYSTEM;
D O I
10.1002/cjoc.201500836
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The copper-catalyzed methylation of coumarin by using di-tert-butyl peroxide (DTBP) has been described. The reaction provides direct access to a wide range of 3-methylcoumarins in moderate to good yields. In this procedure, it is noteworthy that DTBP was employed not only as the oxidant, but also as the methyl source.
引用
收藏
页码:368 / 372
页数:5
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