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

页码：331 / 339

页数：9

共 30 条

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