New lignans from the aerial parts of Rudbeckia laciniata

Seung Young Lee, Kyeong Wan Woo, Chung Sub Kim, Dong Ung Lee, Kang Ro Lee

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Three new furofuran lignans, (+)-4,4′-O-diangeloylpinoresinol (1), (+)-4,4′-O-diangeloylmedioresinol (2), and (+)-4,4′-O- diangeloylsyringaresinol (3), together with the known compound (+)-syringaresinol, were isolated from the MeOH extract of Rudbeckia laciniata. The structure elucidation of these compounds were based on 1D- and 2D-NMR, and HR-ESI-MS data. The additional structural evidence was obtained from alkaline hydrolysis of the compounds.

Original languageEnglish
Pages (from-to)320-325
Number of pages6
JournalHelvetica Chimica Acta
Volume96
Issue number2
DOIs
StatePublished - Feb 2013

Keywords

  • Furofuran lignans
  • Lignans
  • Rudbeckia laciniata

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