期刊
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
卷 18, 期 22, 页码 2601-2611出版社
WILEY
DOI: 10.1002/rcm.1663
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Neutral and cationic pyrrolidine-fused chlorins and isobacteriochlorins derived from mesotetrakis(pentafluorophenyl)porphyrin undergo cycloreversion reactions in the gas phase, either when desorbed from a liquid matrix by ion bombardment or when electrosprayed. Cycloreversion occurs through loss of either neutral or charged moieties, with and without hydrogen and methyl radical migration, and both as high- and low-energy collision processes. For the doubly charged isobacteriochlorin, one-electron reduction with methyl loss occurs under ion bombardment and electrospray, through hypervalent pyrrolidinium radical formation. Copyright (C) 2004 John Wiley Sons, Ltd.
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