Oxidative derivatization of V‐type nerve agents as a tool for their structural elucidation by liquid chromatography/tandem mass spectrometry
作者:Tamar Shamai Yamin、Moran Madmon、Hagit Prihed、Merav Blanca、Avi Weissberg
DOI:10.1002/rcm.9216
日期:2022.1.15
electron ionization mass spectrometry (EI-MS) and electrospray ionization tandem mass spectrometry (ESI-MS/MS) are dominated by ions originating from the N,N-dialkylaminoethyl moiety, while ions representative of the alkyl phosphonothiolate part are absent from the spectra or present at negligible abundance. Hence, analogs or isomers with the same amine residue exhibit similar mass spectral patterns
V 型神经毒剂的鉴定提出了分析挑战。它们通过电子电离质谱 (EI-MS) 和电喷雾电离串联质谱 (ESI-MS/MS) 获得的光谱主要是来自N,N-二烷基氨基乙基部分的离子,而代表烷基膦硫醇部分的离子不存在来自光谱或以可忽略的丰度存在。因此,具有相同胺残基的类似物或异构体表现出相似的质谱模式,导致其识别过程中不可避免地存在歧义。