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Ammonia chemical ionization tandem mass spectrometry in structure determination of alkaloids. I. Pyrrolidines, piperidines, decahydroquinolines, pyrrolizidines, indolizidines, quinolizidines and an azabicyclo[5.3.0]decane
Author(s) -
Garraffo H. Martin,
Spande Thomas F.,
Jones Tappey H.,
Daly John W.
Publication year - 1999
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/(sici)1097-0231(19990815)13:15<1553::aid-rcm658>3.0.co;2-u
Subject(s) - chemistry , decane , mass spectrometry , ammonia , reagent , quinolizidine , tandem mass spectrometry , alkaloid , organic chemistry , stereochemistry , chromatography
CI‐MS/MS of alkaloids with ammonia reagent gas and collision‐induced dissociation provides unique structural information for certain mono‐ and bi‐cyclic alkaloids. This technique was applied to solve the structures of 195C , a 4,6‐disubstituted quinolizidine alkaloid found in frog skin and an ant, and 275A , a novel 3,5‐disubstituted azabicyclo[5.3.0]decane found in frog skin. Copyright © 1999 John Wiley & Sons, Ltd.