Synthesis and structure of a nucleoside with π-conjugated nitroxide spin label forming a one-dimensional ferromagnetic chain

被引:20
作者
Das, K
Pink, M
Rajca, S
Rajca, A [1 ]
机构
[1] Univ Nebraska, Dept Chem, Lincoln, NE 68588 USA
[2] Indiana Univ, Dept Chem, IUMSC, Bloomington, IN 47405 USA
关键词
D O I
10.1021/ja060846o
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Spin labeled 2′-deoxyuridine, in which a significant fraction of the spin density is delocalized from a nitroxide radical to the DNA base residue, was prepared as a crystalline solid, stable at ambient conditions. The crystal packing, which includes multiple hydrogen bonds, leads to one-dimensional chains of molecules with predominant intrachain ferromagnetic coupling and weaker interchain antiferromagnetic coupling. Copyright © 2006 American Chemical Society.
引用
收藏
页码:5334 / 5335
页数:2
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