Antibiotic phenol nor-triterpenes from Maytenus canariensis

Phytochemistry. 1996 Sep;43(1):129-32. doi: 10.1016/0031-9422(96)00205-1.

Abstract

The new phenols 6-oxo-tingenol, 3-O-methyl-6-oxo-tingenol and 6-oxo-iguesterol were isolated from the root bark of Maytenus canariensis. Their structures were determined by 1H and 13C NMR spectroscopic studies, including HMQC, HMBC, DEPT and ROESY and chemical transformations. The synthesis of 6-oxo-tingenol was achieved from tingenone. These compounds exhibit antibiotic activity against Gram-positive bacteria.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Anti-Bacterial Agents / chemistry
  • Anti-Bacterial Agents / isolation & purification*
  • Carbon Isotopes
  • Magnetic Resonance Spectroscopy
  • Mass Spectrometry
  • Plant Roots / chemistry*
  • Plants, Medicinal / chemistry*
  • Protons
  • Terpenes / chemistry
  • Terpenes / isolation & purification*

Substances

  • Anti-Bacterial Agents
  • Carbon Isotopes
  • Protons
  • Terpenes