Specific Mass Spectrometric Fragmentations from the Dissociation of Intermediate Ion-Neutral Complexes

被引：0
|
作者：
Yi Min SHE(Analysis & Testing Center
Ya Ping TU and Shu Ying LIU(Changchun Institute of Applied Chemistry
机构：
来源：
Chinese Chemical Letters | 1998年 / 01期
关键词：
mass spectrometric fragmentation; ion-neutral complex; proton bound complex; dissociation;
D O I：
暂无
中图分类号：
O657.6 [];
学科分类号：
070302 ; 081704 ;
摘要：
It is reported that two kinds of specific mass spectrometric fragmentations are generated from dissociations of the intermediates of both the ion-neutral complex and the proton-bound complex. Collision-induced dissociation, isotopic labelling. and semi-empirical AMI calculations were used to investigate the formation mechanism of the ion of m/z 139 from ionized tetrahydroimidazole-substituted methylene β-diketones and the unimolecular fragmentations pathway of 3-phenyl-1-butyn-3-of upon electron impact.
引用
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页码：93 / 97
页数：5
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