DIFFERENTIATION OF ANOMERIC C-GLYCOSIDES BY MASS-SPECTROMETRY USING FAST-ATOM-BOMBARDMENT, MASS-ANALYZED ION KINETIC-ENERGY AND COLLISION-ACTIVATED DISSOCIATION

被引：15
|
作者：
BRAKTA, M
CHAGUIR, B
SINOU, D
BANOUB, J
BECCHI, M
机构：
[1] MEM UNIV NEWFOUNDLAND,DEPT BIOCHEM,ST JOHNS A1B 3X9,NEWFOUNDLAND,CANADA
[2] SERV CINEMATOG ARMEES,CNRS,F-69390 VERNAISON,FRANCE
来源：
ORGANIC MASS SPECTROMETRY | 1992年 / 27卷 / 03期
关键词：
D O I：
10.1002/oms.1210270328
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Positive-ion fast atom bombardment mass spectrometry appears to be a useful method for the differentiation of anomeric C-glycosides. The mass-analysed ion kinetic energy (MIKE) and collision-activated dissociation (CAD) MIKE spectra of selected positive ions can be used as fingerprints of the alpha- or beta-anomers. The main fragmentation routes and particularly the formation of the [M - H]+ ion and the [M + H - PhCH2OH]+ ion were traced for each anomer.
引用
收藏
页码：331 / 339
页数：9
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