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
收藏
页码：93 / 97
页数：5
相关论文
共 50 条
  • [41] EVALUATION OF AM1-CALCULATED RADICAL-CATION ION-NEUTRAL COMPLEXES
    GRIFFIN, LL
    MCADOO, DJ
    OLIVELLA, S
    JOURNAL OF COMPUTATIONAL CHEMISTRY, 1993, 14 (12) : 1561 - 1574
  • [42] The role of the lifetimes of ion-neutral complexes in gas-phase electrophilic aromatic substitution
    Aschi, M
    Attina, M
    D'Arcangelo, G
    CHEMICAL PHYSICS LETTERS, 1998, 283 (5-6) : 307 - 312
  • [43] STUDIES OF ION-NEUTRAL REACTIONS BY A PHOTOIONIZATION MASS-SPECTROMETER TECHNIQUE .I.
    WARNECK, P
    JOURNAL OF CHEMICAL PHYSICS, 1967, 46 (02): : 502 - &
  • [44] Deriving the normalised ion-neutral collision frequency from EISCAT observations
    Davies, JA
    Lester, M
    Robinson, TR
    ANNALES GEOPHYSICAE-ATMOSPHERES HYDROSPHERES AND SPACE SCIENCES, 1997, 15 (12): : 1557 - 1569
  • [45] The involvement of ion-neutral complexes in ethylene loss from [PhC(CH3)2]+ and its isomers
    Chalk, AJ
    Radom, L
    INTERNATIONAL JOURNAL OF MASS SPECTROMETRY, 2000, 199 (1-3) : 29 - 40
  • [46] ALKENE LOSS FROM METASTABLE METHYLENEAMMONIUM IONS - UNUSUAL INVERSE SECONDARY ISOTOPE EFFECT IN ION NEUTRAL COMPLEX INTERMEDIATE FRAGMENTATIONS
    VEITH, HJ
    GROSS, JH
    ORGANIC MASS SPECTROMETRY, 1991, 26 (12): : 1097 - 1108
  • [47] The ion-neutral complex-mediated fragmentation reaction in electrospray ionization tandem mass spectrometric analysis of N-phenyl-3-(phenylthio)propanamides
    Li, Jing
    Pan, Yuanjiang
    Chen, Bajin
    RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 2022, 36 (16)
  • [48] Competitive proton and hydride transfer reactions via ion-neutral complexes: fragmentation of deprotonated benzyl N-phenylcarbamates in mass spectrometry
    Yao, Liqing
    Chai, Yunfeng
    Sun, Cuirong
    Pan, Yuanjiang
    JOURNAL OF MASS SPECTROMETRY, 2015, 50 (02): : 364 - 370
  • [49] MASS-SPECTROMETRIC FRAGMENTATIONS OF HEXAFLUOROACETONE KETALS DERIVED FROM N-ALKENES
    JOHNSON, BM
    TAYLOR, JW
    ORGANIC MASS SPECTROMETRY, 1973, 7 (03): : 259 - 270
  • [50] H-transfer rates in ion-neutral complexes versus those in intact aliphatic ions
    Traeger, JC
    Hudson, CE
    McAdoo, DJ
    JOURNAL OF MASS SPECTROMETRY, 1999, 34 (08): : 835 - 843
12345