Synthesis and Characterization of new alpha,beta-unsaturated gamma-lactones: Alkyl 3-acetyl-4-hydroxy-2-methyl-5-oxo-2,5-dihydrofuran-2-ylcarbamates


Ungoren S., Sacmaci M., Akcamur Y., Arici C., Ulku D.

JOURNAL OF HETEROCYCLIC CHEMISTRY, cilt.42, ss.685-689, 2005 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 42 Konu: 4
  • Basım Tarihi: 2005
  • Doi Numarası: 10.1002/jhet.5570420431
  • Dergi Adı: JOURNAL OF HETEROCYCLIC CHEMISTRY
  • Sayfa Sayıları: ss.685-689

Özet

A convenient procedure for the preparation of carbamate derivatives of 5-oxo-2,5-dihydrofuran (3) was described. The method is based on the Michael type addition of three alkyl carbamates (2) with 4-acetyl-5methyl-2,3-dihydro-2,3-furandione (1). According to H-1 nmr spectra of compounds show tautomeric forms (3,4,5) in CDCl3. In the solid state the synthesized compounds are enol forms (3). The products were characterized with molecular spectroscopic methods.