Neocandenatone, an isoflavan-cinnamylphenol quinone methide pigment from Dalbergia congestiflora

Phytochemistry. 2004 Apr;65(7):925-8. doi: 10.1016/j.phytochem.2003.11.011.

Abstract

A purple pigment neocandenatone (vestitol[6-->9";7O-->7"]obtusaquinone) was isolated from the heartwood of campincerán (Dalbergia congestiflora), an endemic Mexican tree. The isoflavan-cinnamyl phenol quinone methide structure of this compound was elucidated by HRMS, IR, and 1H and 13C NMR spectroscopic analysis, including 2D experiments (COSY, NOESY, HMQC and HSQC).

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Dalbergia / chemistry*
  • Indolequinones / chemistry*
  • Indolequinones / isolation & purification
  • Isoflavones / chemistry*
  • Isoflavones / isolation & purification
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Phenols / chemistry*
  • Phenols / isolation & purification
  • Pigments, Biological / chemistry*
  • Pigments, Biological / isolation & purification

Substances

  • Indolequinones
  • Isoflavones
  • Phenols
  • Pigments, Biological
  • quinone methide