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The natural coumarins
Diosbulbin D and 8-epidiosbulbin E acetate, norclerodane diterpenoids from Dioscorea bulbifera tubers
Abstract From tubers of Dioscorea buibifera L. var sativa a new 18-norclerodane diterpenoid, 8-epidiosbulbin E acetate, has been isolated, besides the previously known norditerpenoid, diosbulbin D,
Naturally Occurring Plant Coumarins
Over the past 150 years, since Vogel in 1820 isolated the parent oxygen heterocycle, coumarin (1) from Coumarouna odorata = Dipteryx odorata (1), coumarins have been recognized as widely distributed
The naturally occurring coumarins.
  • R. D. Murray
  • Chemistry, Medicine
    Fortschritte der Chemie organischer Naturstoffe…
  • 2002
Structure revision of the coumarin, ceylantin
Abstract Ceylantin, isolated from Atalantia ceylanica, has been found to be identical with racemosin, isolated from A. racemosa, and the revised 5,8-dimethoxy-6,7-pyranocoumarin structure confirmed