13C NMR spectroscopy of neolignans

Ernest Wenkert, Hugo E. Gottlieb, Otto R. Gottlieb, Marilia O. Marilia, Mariza D. Formiga

Research output: Contribution to journalArticlepeer-review

132 Scopus citations


The 13C NMR spectra of 15 neolignans of several structural types and two lignans were analyzed and their carbon shifts assigned. The shifts of pyrogallol ether and ethyl phenyl carbinyl ether models were used in this connection. The stereochemistry of a dimeric sideproduct in the preparation of the latter models was determined by 13C NMR analysis.

Original languageEnglish
Pages (from-to)1547-1551
Number of pages5
Issue number10
StatePublished - 1976
Externally publishedYes


  • 1-ethoxy-1-arylpropanes
  • 3a-allyl-2-aryl-5-methoxy-3-methyl-6-oxo-2,3,3a,6-tetrahydrobenzofurans
  • 5,6-dimethoxy-1-(3,4-dimethoxyphenyl)-3-ethyl-2-methylindane.
  • 5-allyl-2-aryl-5-methoxy-3-methyl-6-oxo-2,3,5,6-tetrahydrobenzofurans
  • C NMR spectra, neolignans
  • aryl ethyl carbinols
  • aurein
  • burchellin
  • eusiderin
  • hinokinin
  • licarin A
  • licarin B
  • mirandin A
  • mirandin B
  • pluviatolide
  • porosin
  • pyrogallol ethers


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