Mechanistic study of competitive releases of H 2 O, NH 3 and CO 2 from deprotonated aspartic and glutamic acids: Role of conformation.

Pierre Barbier Saint Hilaire,Anna Warnet,Yves Gimbert,Ulli Martin Hohenester,Gianluca Giorgi,Marie-Françoise Olivier,François Fenaille,Benoît Colsch,Christophe Junot,Jean-Claude Tabet

Journal of Chromatography B（2017）

引用 4|浏览9

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摘要

•Fusion instrument for comparison of resonant and non-resonant excitations.•Consecutive vs. concomitant NH3/CO2 losses.•Unusual SNi-like NH3 elimination under conformation control from hydrated aspartate anions.

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关键词

Electrospray high-resolution mass spectrometry,Regioselective dissociation,Unexpected cleavage of aspartate anion

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