EXPEDIENT SYNTHESIS OF BIOLOGICALLY POTENT ARYLOXYCOUMARINS AND (ARYLOXYIMINO)ETHYLCOUMARINS VIA COPPER(II)-PROMOTED CHAN-LAM COUPLING REACTION

被引：11

作者：

Medda, Arunima ^{[1
]}

Pal, Gargi ^{[1
]}

Singha, Raghunath ^{[2
]}

Hossain, Tabassum ^{[3
]}

Saha, Achintya ^{[3
]}

Das, Asish R. ^{[1
]}

机构：

[1] Univ Calcutta, Dept Chem, Kolkata 700009, India

[2] Chemgen Pharma Int Pvt Ltd, Kolkata, India

[3] Univ Calcutta, Dept Chem Technol, Kolkata 700009, India

来源：

SYNTHETIC COMMUNICATIONS | 2013年 / 43卷 / 02期

关键词：

Arylboronic acids; Chan-Lam protocol; coumarin; cross-coupling reactions; Cu(OAc)(2); DAPHNORETIN; ETHERS; AGENTS; ACIDS;

D O I：

10.1080/00397911.2011.594544

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A convenient protocol for the efficient synthesis of aryloxycoumarins and (aryloxyimino) ethylcoumarins is described. The synthetic route developed involves the Cu-promoted C-O and N-O coupling reactions from readily available hydroxycoumarin and (hydroxyimino)ethylcoumarin derivatives in the presence of the catalytic system Cu(OAc)(2)/Et3N. By applying this condition, a series of arylboronic acids have been successfully reacted to afford the coupled products in fair to good yields.

引用

页码：169 / 181

页数：13

共 47 条

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