2,2'-4,4''-4',4'''-QUATERPYRIDYL - A BUILDING BLOCK FOR THE PREPARATION OF NOVEL REDOX REAGENTS .1. PREPARATION AND QUATERNIZATION

被引：36

作者：

MORGAN, RJ ^{[1
]}

BAKER, AD ^{[1
]}

机构：

[1] CUNY QUEENS COLL,DEPT CHEM,FLUSHING,NY 11367

来源：

JOURNAL OF ORGANIC CHEMISTRY | 1990年 / 55卷 / 07期

关键词：

D O I：

10.1021/jo00294a007

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

An efficient preparation of 2,2':4,':4',4'Flushing, New York 11367-quaterpyridyl (qpy) from 4,4'-bipyridine is described, using palladium on charcoal. Conditions are described for the selective methylation of the nitrogen atoms present. This has allowed the preparation of mono- and dimethylquaternary salts that retain an a-diimine site for complexation to a metal. These quaternary salts can be used to prepare complexes in which metal ions are coordinated to viologen-type ligands. Electrochemical and spectroscopic measurements of the diquaternary salt derived from qpy suggest that it behaves as two separate or weakly interacting monoquat moieties. © 1990, American Chemical Society. All rights reserved.

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页码：1986 / 1993

页数：8

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