CIDNP spectroscopic observation of (S∴+N) radical cations with a two-center three-electron bond during the photooxidation of methionine

被引：0
|
作者：
Goez, M
Rozwadowski, J
Marciniak, B
机构：
[1] Univ Halle Wittenberg, Fachbereich Chem, D-06120 Halle, Germany
[2] Adam Mickiewicz Univ, Fac Chem, Poznan, Poland
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 1998年 / 37卷 / 05期
关键词：
amino acids; CIDNP spectroscopy; NMR spectroscopy; photochemistry; radical ions;
D O I：
10.1002/(SICI)1521-3773(19980316)37:5<628::AID-ANIE628>3.0.CO;2-T
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Cyclic radical cations Met-(S therefore N) of methionine could play an important role in processes such as long-range electron transfer across cell membranes and oxidative damage to cells. CIDNP spectroscopy (CIDNP = chemically induced dynamic nuclear polarization) furnishes direct structural proof and allows experimental investigation of the spin-density distribution in the two-center three-electron bonds.
引用
收藏
页码：628 / 630
页数：3
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