A new approach to the 1,10-phenanthroline core

被引：23

作者：

Chelucci, Giorgio ^{[1
]}

Addis, Daniele ^{[1
]}

Baldino, Salvatore ^{[1
]}

机构：

[1] Univ Sassari, Dipartimento Chim, I-07100 Sassari, Italy

来源：

TETRAHEDRON LETTERS | 2007年 / 48卷 / 19期

关键词：

1,10-phenanthroline; nitrogen heterocycles; intramolecular coupling; Ullmann reaction;

D O I：

10.1016/j.tetlet.2007.03.073

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A protocol for the synthesis of substituted 1,10-phenanthrolines is reported. The phenanthroline scaffold has been obtained constructing the central cycle starting from two pyridine rings. The method is hinged upon the intramolecular coupling of eiv-1,2-di(2-bromo-3-pyridyl)ethenes that are in turn obtained from the Wittig reaction of 2-bromonicotinalclehydes with phosphonium salts prepared from 2-bromo-3-(bromomethyl)pyridines. Yields up to 75% have been obtained. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：3359 / 3362

页数：4

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