Substituent effects in charge exchange chemical ionization mass spectrometry

1986 ◽  
Vol 58 (11) ◽  
pp. 2121-2126 ◽  
Author(s):  
William J. Simonsick ◽  
Ronald A. Hites
Keyword(s):  
Mass Spectrometry ◽  
Charge Exchange ◽  
Chemical Ionization ◽  
Substituent Effects ◽  
Ionization Mass Spectrometry ◽  
Chemical Ionization Mass Spectrometry ◽  
Ionization Mass

Chemical Ionization Mass Spectrometry: A Useful Stereochemistry Probe

1977 ◽  
Vol 32 (5) ◽  
pp. 573-580 ◽  
Author(s):  
C. C. Van de Sande ◽  
F. Van Gaever ◽  
P. Sandra ◽  
J. Monstrey
Keyword(s):  
Mass Spectrometry ◽  
Charge Exchange ◽  
Chemical Ionization ◽  
Ethyl Esters ◽  
Ionization Mass Spectrometry ◽  
Chemical Ionization Mass Spectrometry ◽  
Ionization Mass ◽  
Cyclohexanecarboxylic Acid

The helium charge exchange and the isobutane chemical ionization spectra of 4-methoxy cyclohexanecarboxylic acid ethyl esters (1c and 1t), 2,6-dimethyl-4-hydroxytetrahydropyranes (2c and 2t), 2,4,6-trimethyl-4-hydroxytetrahydropyranes (8c and 3t), and 2,7-dimethoxy-cis-decalins (4c and 4t) have been screened for correlations with the stereochemistry of these molecules. From these data it appears that chemical ionization is especially suited for configurational assignments in epimeric molecules.

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