Mass spectrometry of organic compounds of the group V Elements: VI—A new type of amine fragmentation under electron impact

Autor: V. N. Voznesensky, Remir G. Kostyanovsky, Yu. I. El'natanov, G. K. Kadorkina
Rok vydání: 1980
Předmět:
Zdroj: Organic Mass Spectrometry. 15:412-418
ISSN: 1096-9888
0030-493X
DOI: 10.1002/oms.1210150804
Popis: A new type of amine fragmentation under electron impact is elucidated for proline, sarcosine and aspartic acid derivatives and aminomethylphosphines of the general formula R2NCH2X. Ordinary α-cleavage affording the ion is suppressed by elimination of a neutral HX particle and [M - HX]+ ion formation, or M-HX neutral particle ejection and generation of an [HX]+ ion from [M]+˙. Such fragmentation is ensured by the presence of an α-heteroatom (N, O, P, S) in one substituent (X) and a CO2R type delocalizing group in the α-position of the other substituent (R2N).
Databáze: OpenAIRE