Electron-impact studies—LX Negative-ion mass spectrometry of functional groups skeletal-rearrangements in aryl nitro compounds

1971 ◽  
Vol 5 (8) ◽  
pp. 945-951 ◽  
Author(s):  
J. H. Bowie
Keyword(s):  
Mass Spectrometry ◽  
Electron Impact ◽  
Functional Groups ◽  
Nitro Compounds ◽  
Negative Ion ◽  
Impact Studies ◽  
Negative Ion Mass Spectrometry ◽  
Ion Mass Spectrometry ◽  
Skeletal Rearrangements

Electron impact studies. LXIII. Negative-ion mass spectrometry of functional groups. Rearrangements of the nitrophthalic anhydrides

1971 ◽  
Vol 24 (9) ◽  
pp. 1853 ◽  
Author(s):  
T Blumenthal ◽  
JH Bowie
Keyword(s):  
Mass Spectrometry ◽  
Nitro Group ◽  
Electron Impact ◽  
Functional Groups ◽  
Mass Spectra ◽  
Negative Ion ◽  
Impact Studies ◽  
Negative Ion Mass Spectrometry ◽  
Ion Mass Spectrometry

The negative-ion mass spectra of 3- and 4-nitrophthalic anhydride contain a series of rearrangement ions. One of these, an M-CO2 ion, is mainly produced by loss of CO from the anhydride unit together with an oxygen of the nitro group.

Electron impact studies. LXI. Negative-ion mass spectrometry of functional groups: The nitrophenyl trifluoroacetamides

1971 ◽  
Vol 24 (5) ◽  
pp. 989 ◽  
Author(s):  
JH Bowie
Keyword(s):  
Mass Spectrometry ◽  
Electron Impact ◽  
Functional Groups ◽  
Negative Ion ◽  
Impact Studies ◽  
Negative Ion Mass Spectrometry ◽  
Ion Mass Spectrometry

The three nitrophenyltrifluoroacetamides are readily differentiated by negative-ion mass spectrometry. Many unusual fragmentations are noted in these spectra and certain of these have been substantiated by labelling and defocusing studies.

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