Mass spectral study of tauotomerism in some schiff bases

Salman R. Salman, Na'il A.I. Saleh

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


Mass spectra of a series of substituted salicylaldehyde and 2-hydroxynaphthaldehyde Schiff bases were used to investigate enol-keto tautomeric equiulibrium. Two model compounds, namely, salicylidinaniline and naphthylidinequinolineamine Schiff bases were used to represent the enol and keto forms, respectively. Mass spectral measurements reveal the fragmentation pattern in all compounds studied. Only naphthylidinequinoline amine Schiff base show a different fragmentation pattern compared to the other Schiff bases in the series which give an evidence for its suggested keto structure.

Original languageEnglish
Pages (from-to)1179-1189
Number of pages11
JournalSpectroscopy Letters
Issue number6
Publication statusPublished - 1998
Externally publishedYes


  • FTIR spectroscopy
  • Keto-enol tautomerism
  • NMR spectroscopy
  • Salicylidenaniline and naphthylidenaniline schiff bases
  • UV-Visible spectroscopy

ASJC Scopus subject areas

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy


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