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The mass spectra of cyclo ‐tripeptides of B‐alanine and 3‐amino‐3‐methyl butanoic acid
Author(s) -
Drey C. N. C.,
Lowbridge J.
Publication year - 1973
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.1210070702
Subject(s) - tripeptide , chemistry , alanine , mass spectrum , amino acid , mass spectrometry , molecule , stereochemistry , molecular mass , organic chemistry , chromatography , biochemistry , enzyme
The cyclo ‐tripeptides of B‐alanine and of 3‐amino‐3‐methyl butanoic acid have been synthesised, the latter for the first time, and structures were confirmed by elemental analysis and mass spectrometry; accurate mass measurements showed that carbon monoxide was lost from the molecular ions; prominent peaks in the mass spectrum of both cyclic peptides are otherwise consistent with those reported for α‐peptides.