SYNTHESIS OF STABLE FREE-RADICALS - A NOVEL FAMILY OF OLIGOPYRIDINE BASED NITRONYL-NITROXIDE BIRADICALS

被引：21

作者：

ULRICH, G

ZIESSEL, R

LUNEAU, D

REY, P

机构：

[1] INST PHYS & CHIM MAT STRASBOURG,ECOLE EUROPEENNE HAUTES ETUD IND CHIM STRASBOURG,F-67008 STRASBOURG,FRANCE

[2] CEN,SESAM,DRFMC,CEA,F-38041 GRENOBLE,FRANCE

来源：

TETRAHEDRON LETTERS | 1994年 / 35卷 / 08期

关键词：

D O I：

10.1016/0040-4039(94)88026-3

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Diformyl substituted pyridines (al the 2,5 and 2,6 positions), 2,2'-bipyridines (at the 4,4', 5,5', and 6,6' positions), 3,6-di-(6-carboxyaldehyde-2-pyridyl)-pyridazine and 2,9-dicarboxyaldehyde-1,1O-phenanthroline react with N,N'-dihydroxy-2,3-diamino-2,3-dimethylbutane to yield the bis-N,N'-dihydroxyimidazolidine. Mild oxidation afforded the corresponding nitronyl-nitroxide biradicals 1 to 7. These ligands are highly colored and form very stable transition metal complexes.

引用

页码：1211 / 1214

页数：4

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