A ligand-free copper (1) catalysed intramolecular N-arylation of diazoaminobenzenes in PEG-water: an expeditious protocol towards regiospecific 1-aryl benzotriazoles
作者:Chhanda Mukhopadhyay、Pradip Kumar Tapaswi、Ray J. Butcher
DOI:10.1039/c0ob00177e
日期:——
An efficient and highly versatile method for the synthesis of diverse regiospecific 1-arylbenzotriazoles being important medicinal scaffolds, by the copper (1) catalysed intramolecular N-arylation of diazoaminobenzenes of 2-haloaryldiazonium salts in PEG-water has been developed. A very simple reaction protocol, large number of substrate affordability and excellent yields are the main features of this methodology.
通过铜 (1) 催化 2-Haloaryldiazonium 盐的重氮氨基苯在 PEG 水中的分子内 N-芳基化反应,我们开发出了一种高效且用途广泛的方法,用于合成作为重要药用支架的各种区域特异性 1-芳基苯并三唑。该方法的主要特点是反应方案非常简单、可负担大量底物以及收率极高。