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Sigmoidins J and K, two new prenylated isoflavonoids from Erythrina sigmoidea

Author:
  • Augustine E Nkengfack
  • Timothee W Vouffo
  • Juliette C Vardamides
  • Z Tanee Fomum
  • Ola Bergendorff
  • Olov Sterner
Publishing year: 1994
Language: English
Pages: 1172-1177
Publication/Series: Journal of Natural Products
Volume: 57
Issue: 8
Document type: Journal article
Publisher: The American Chemical Society

Abstract english

In addition to the two known compounds neotautenol [2] and erythrinassinate B [4], two new compounds, an isoflavanone named sigmoidin J [1] and a coumestan derivative named sigmoidin K [3], have been isolated and characterized from the root bark of the Cameroonian medicinal plant Erythrina sigmoidea. Their structures have been established as 7, 4'-dihydroxy-2',5'-dimethoxy-6'(gamma, gamma-dimethylally)isoflavanone [1] and 3,9-dihydroxy-2,10-(gamma, gamma dimethylallyl) coumestan [3], respectively, by spectroscopic techniques and from chemical evidence.

Keywords

  • Dermatology and Venereal Diseases

Other

Published
  • ISSN: 0163-3864
Olov Sterner
E-mail: olov.sterner [at] science.lu.se

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