首页|Electrospray ionization-tandem mass spectrometric study of fused nitrogen-containing ring systems
Electrospray ionization-tandem mass spectrometric study of fused nitrogen-containing ring systems
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NSTL
Wiley
Four fused nitrogen-containing ring systems were investigated by electrospray ionization-tandem mass spectrometry: Pyridazino-indoles, pyridazino-quinolines, a pyrimido-quinoline derivative and pyrimido-cinnolines. Fragmentation patterns of these compounds are discussed and compared. Several characteristic cross-ring fragments were formed mainly on the pyridazine and pyrimidine rings of the ring systems. The connected Cl, NO2, Me, Ph and more extended heterocyclic substituents influenced the fragmentation.
fragmentationfused N-heterocyclespyridazino-indolespyridazino-quinolinespyrimido-cinnolinespyrimido-quinolinestandem mass spectrometryHETEROCYCLESDERIVATIVES
Krajsovszky, Gabor、Kiss, Borbala Dalmadine、Ludanyi, Krisztina、Mandity, Istvan M.、Bogdan, Dora
NSTL
Wiley
