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Dehydration reactions in the mass spectra of 13‐podocarpen‐12‐ols and 12‐podocarpen‐14‐ols
Author(s) -
Wahlberg Inger,
Enzell Curt R.
Publication year - 1977
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210121210
Subject(s) - dehydration , mass spectrum , allylic rearrangement , cleavage (geology) , labelling , chemistry , deuterium , ring (chemistry) , medicinal chemistry , ion , organic chemistry , physics , materials science , nuclear physics , biochemistry , catalysis , fracture (geology) , composite material
Abstract Electron impact induced dehydration of allylic cyclohexenols has been examined using 13‐podocarpen‐12‐ols and 12‐podocarpen‐14‐ols as model compounds. Deuterium labelling shows that ring cleavage prior to elimination of water is the principal dehydration route, whereas transannular 1,3 and 1,4 reactions account for only minor portions of the [M−18] + ⋅ and [M−33] + ion currents.