scholarly journals Electron impact mass spectrometry of some 1- and 2-benzimidazole derivatives

1994 ◽  
Vol 12 (1) ◽  
pp. 35-42 ◽  
Author(s):  
F. Hida ◽  
J. Robert ◽  
C. Luu-Duc
Keyword(s):  
Mass Spectrometry ◽  
Electron Impact ◽  
Mass Spectrometry Data ◽  
Benzimidazole Derivatives ◽  
Electron Impact Mass Spectrometry ◽  
Electron Impact Mass ◽  
Impact Mass

In the present investigation, a study of the electron-impact mass spectrometry data is reported for fifteen compounds of a series of 1- and 2-benzimidazole derivatives previously synthesized. Possible fragmentation routes of this class of compounds under electron-impact are outlined.

scholarly journals Mass spectrometry of some arylidene thioxobenzyl or thioxobiphenyloxoethyl thiazolidinone compounds

2004 ◽  
Vol 18 (4) ◽  
pp. 613-619 ◽  
Author(s):  
V. L. M. Guarda ◽  
C. Bosso ◽  
S. L. Galdino ◽  
J. F. C. Albuquerque ◽  
M. C. A. Lima ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Comparative Study ◽  
Molecular Mechanics ◽  
Electron Impact ◽  
Theoretical Calculations ◽  
Mass Spectrometry Data ◽  
Electron Impact Mass Spectrometry ◽  
Electron Impact Mass ◽  
Impact Mass

This paper reports the results of a comparative study of the electron impact mass spectrometry data for a series of previously synthetized 5-arylidene-3-(4-chloro-benzyl)-4-thioxo-thiazolidin-2-one, and 5-arylidene-3-(2-biphenyl-4-yl-2-oxo-ethyl)-4-thioxo-thiazolidin-2-one derivatives. Theoretical calculations of molecular mechanics, MOPAC‒AM1, were used to explain the fragmentations observed.

An unusual HgCl rearrangement in electron impact mass spectrometry of some halomercurioalkyl derivatives

1990 ◽  
Vol 27 (5) ◽  
pp. 1293-1295 ◽  
Author(s):  
Elena Ghezzo ◽  
Alberto Sturaro ◽  
Pietro Traldi ◽  
Pierfrancesco Bravo ◽  
Fiorenza Viani
Keyword(s):  
Mass Spectrometry ◽  
Electron Impact ◽  
Electron Impact Mass Spectrometry ◽  
Electron Impact Mass ◽  
Impact Mass

Electron impact mass spectrometry of hemiterpenoid tricyclic quinoline alkaloids

1987 ◽  
Vol 22 (7) ◽  
pp. 462-467 ◽  
Author(s):  
Alberto Sturaro ◽  
Pietro Traldi ◽  
Pierfrancesco Bravo ◽  
Fiorenza Viani ◽  
Giuseppe Resnati
Keyword(s):  
Mass Spectrometry ◽  
Electron Impact ◽  
Electron Impact Mass Spectrometry ◽  
Quinoline Alkaloids ◽  
Electron Impact Mass ◽  
Impact Mass
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