The 5-azoniaspiro [4.4] nonyl group for improved MS peptide analysis: a novel non-fragmenting ionization tag for mass spectrometric sensitive sequencing of peptides

The 5-azoniaspiro [4.4] nonyl group for improved MS peptide analysis: a novel non-fragmenting ionization tag for mass spectrometric sensitive sequencing of peptides

B Setner, M Rudowska, A Kluczyk, P Stefanowicz… - Analytica chimica …, 2017 - Elsevier

Abstract A novel class of ionization tags, based on 5-azoniaspiro [4.4] nonyl (ASN+) scaffold
were designed for improved analysis of peptides by electrospray tandem mass spectrometry
(ESI-MS/MS). A new labeling agent, 1-{[3-oxo-3-(pentafluorophenoxy) propyl] carbamoyl}-5-

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