Fragmentation mechanism of novel compounds: 3,3‐dichloro‐1‐[2‐(2,2‐dichloro‐1‐oxoethylthio)phenyl]‐4‐(4‐methoxyphenyl)‐4‐(1‐phenylvinyl)‐2‐azetidinone and its derivatives
Rapid Communications in Mass Spectrometry2001Vol. 15(14), pp. 1160–1165
Abstract
Abstract Electron impact mass spectra of five new compounds are reported. Under electron impact conditions all five compounds yielded abundant fragment ions and lower abundances of molecular ions. Apart from the expected i ‐and α‐cleavages, three additional unusual fragmentation processes were observed. The proposed fragmentation mechanisms were supported by D‐labeling experiments, accurate mass measurements, and mass‐analyzed ion kinetic energy spectrometry. Copyright © 2001 John Wiley & Sons, Ltd.
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