Negative ion liquid secondary ion mass spectrometry of carbamate‐linked oligodeoxynucleosides. II | Zendy

Laramée James A. | Zendy; Arbogast Brian | Zendy; Stirchak Eugene P. | Zendy; Weller Dwight D. | Zendy; Deinzer Max L. | Zendy

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Negative ion liquid secondary ion mass spectrometry of carbamate‐linked oligodeoxynucleosides. II

Author(s) -

Laramée James A.,

Arbogast Brian,

Stirchak Eugene P.,

Weller Dwight D.,

Deinzer Max L.

Publication year - 1990

Publication title -

organic mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 121

eISSN - 1096-9888

pISSN - 0030-493X

DOI - 10.1002/oms.1210250408

Subject(s) - chemistry , carbamate , fragmentation (computing) , mass spectrometry , ion , electron ionization , polyatomic ion , molecule , amide , fast atom bombardment , analytical chemistry (journal) , chromatography , organic chemistry , ionization , computer science , operating system

Carbamate‐linked Oligodeoxynucleosides, in which the backbone consists of carbamate and N ‐methylcarbamate linkages, have been analyzed by negative ion liquid secondary ion mass spectrometry. Bidirectional sequence‐determining fragmentations are postulated to occur from a common radical anion intermediate that is produced by capture of an ionizing electron by the neutral sample molecule. Fragmentation reactions appear to be related to whether a proton or methyl group is present on the amide nitrogen.

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