detail the minor, free radical pathway of boronate reaction with ONOO−. The electron paramagnetic resonance (EPR) spin-trapping technique was used to characterize the free radical intermediates formed from the reaction between boronates and ONOO−. Using 2-methyl-2-nitrosopropane (MNP) and 5-diethoxyphosphoryl-5-methyl-1-pyrroline-N-oxide (DEPMPO) spin traps, phenyl radicals were trapped and detected
最近,我们发现过氧亚硝酸盐 (ONOO - ) 与芳香族和脂肪族硼酸 ( k ≈ 10 6 M -1 s -1 )直接快速反应。产品分析和底物消耗数据表明,ONOO -与硼酸盐进行化学计量反应,产生相应的酚类作为主要产物(~85-90%),其余产物(10-15%)被认为来自自由基中间体(苯基和苯氧基)。在这里,我们详细研究了硼酸盐与 ONOO 反应的次要自由基途径-. 电子顺磁共振(EPR)自旋捕获技术用于表征由硼酸盐和ONOO -之间的反应形成的自由基中间体。使用 2-methyl-2-nitrosopropane (MNP) 和 5-diethoxyphosphoryl-5-methyl-1-pyrroline- N - oxide (DEPMPO) 自旋陷阱,苯基自由基被捕获和检测。虽然未检测到苯氧基自由基,但分子氧的积极作用,以及氢原子供体(乙腈和 2-丙醇)和一般自由基清除剂(G
Dibenzoyl peroxide-induced photodecarboxylation of amino acids and peptides. A spin-trapping study
作者:Ionel Rosenthal、Magdi M. Mossoba、Peter Riesz
DOI:10.1021/j150616a021
日期:1981.8
Polar radicals. 17. On the mechanism of iodine atom transfer. A 9-I-2 intermediate
作者:Dennis D. Tanner、Darwin W. Reed、B. P. Setiloane
DOI:10.1021/ja00378a022
日期:1982.7
Bevington, John C.; Fridd, Petrina F.; Tabner, Brian J., Journal of the Chemical Society. Perkin transactions II, 1982, p. 1389 - 1392
作者:Bevington, John C.、Fridd, Petrina F.、Tabner, Brian J.
DOI:——
日期:——
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