Structure determination of some C 4 H 5 N +˙  Ions from substituted pyridines by collisionally activated dissociation mass spectrometry | Zendy

Van Tilborg M. W. E. M. | Zendy; Van Thuijl J. | Zendy

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Structure determination of some C 4 H 5 N +˙ Ions from substituted pyridines by collisionally activated dissociation mass spectrometry

Author(s) -

Van Tilborg M. W. E. M.,

Van Thuijl J.

Publication year - 1983

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.1210180805

Subject(s) - chemistry , dissociation (chemistry) , pyrrole , ion , mass spectrometry , mass spectrum , collision induced dissociation , medicinal chemistry , analytical chemistry (journal) , tandem mass spectrometry , chromatography , organic chemistry

A standard procedure for recording and correcting collisionally activated dissociation mass spectra is proposed, and used to distinguish between the C 4 H 5 N +˙ ions formed from hydroxy‐ and amino‐pyridines after loss of CO and HCN, respectively. It is concluded that these ions are cyclic. From the 4‐isomers the 3 H ‐pyrrole ion is formed whereas from 2‐hydroxypyridine the 1 H ‐pyrrole ion is formed. In the other cases, mixtures of 2 H ‐ and either 1 H ‐ or 3 H ‐pyrrole ions are generated, depending on the nature of the precursor.

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