Thermospray mass spectrometry of  N ‐methylcarbamates | Zendy

Saar Jacob | Zendy; Salomon Avraham | Zendy

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Thermospray mass spectrometry of N ‐methylcarbamates

Author(s) -

Saar Jacob,

Salomon Avraham

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.1210250406

Subject(s) - thermospray , adduct , protonation , mass spectrometry , chemistry , ion , molecule , medicinal chemistry , chromatography , organic chemistry , tandem mass spectrometry , selected reaction monitoring

The thermospray mass spectrometry (TSP/MS) of five N ‐methylcarbamates is presented. This is the first time that ions other than [M + H] + and [M + NH 4 ] + have been reported using positive TSP/MS. Protonation of ROCONHCH 3 yields the [CH 3 NH 2 CO] +· ion, with formation of the ion–molecule adduct [ROCONHCH 3 · CH 3 NH 2 CO] +· through elimination of CO +· from [CH 3 NH 2 CO] +· , and the adduct [M + 75] +· , [ROCONHCH 3 · OCONH 2 CH 3 ] +· , is also obtained.

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