A series of oxazoline compounds have been prepared by reaction of 2,6-diformyl-4-chlorophenol, 2,6-diformylpyridine or 2,5-diformylthiophen with o-aminophenol or o-aminothiophenol respectively. The oxazoline derivatives are stable both in solid state and in solution while the thiazoline derivatives easily oxidize to the corresponding thiazoles. Physico-chemical data confirm this oxidation process. The 70 eV electron impact induced decomposition pathways of these compounds, obtained with the aid of exact mass measurements, B/E linked scans and collisional spectroscopy, are discussed in detail.
Synthesis, characterization and electron impact mass spectrometry of Schiff bases rearranging to oxazoline, thiazoline and thiazole derivatives
Guerriero P;Bullita E;Vigato P A;Traldi P
1988
Abstract
A series of oxazoline compounds have been prepared by reaction of 2,6-diformyl-4-chlorophenol, 2,6-diformylpyridine or 2,5-diformylthiophen with o-aminophenol or o-aminothiophenol respectively. The oxazoline derivatives are stable both in solid state and in solution while the thiazoline derivatives easily oxidize to the corresponding thiazoles. Physico-chemical data confirm this oxidation process. The 70 eV electron impact induced decomposition pathways of these compounds, obtained with the aid of exact mass measurements, B/E linked scans and collisional spectroscopy, are discussed in detail.File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
