FT-IR of unsaturated β-amino acids in different solvents systems

P. Bruni, C. Conti, R. Galeazzi, E. Giorgini, G. Tosi

Research output: Contribution to journalArticle

Abstract

The infrared study of the solvent effect on 2-methylen-3-phenyl-3-aminocarbonyl compounds, precursors of γ-hydroxy-β-amino acids, is reported. Intramolecular hydrogen bonding between NH and ester carbonyl group is present in apolar solvents, while in polar or/and protic solvents specific solute-solvent interactions are pre-dominant. In mixtures of chloroform and cyclohexane, various equilibria are present; the composition of the solute-solvent different complexes differs as the mol% of the solvent system changes. Conformational analysis confirms the infrared findings.

Original languageEnglish
Pages (from-to)245-252
Number of pages8
JournalJournal of Molecular Structure
Volume651-653
DOIs
Publication statusPublished - Jun 1 2003

Keywords

  • Hydrogen bonding
  • Infrared spectra
  • Solvent effect

ASJC Scopus subject areas

  • Structural Biology
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics

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