Martin Lang - Four Lignans from Commiphora erlangeriana

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      Publication Details (including relevant citation   information):

      Aman Dekebo, Martin Lang, Kurt Polborn, Ermias Dagne, Wolfgang   Steglich

      J. Nat. Prod. 2002, 65, 1252-7


      Four new lignans, two of the polygamatin-type, named erlangerin A   and erlangerin B, and two
      related to podophyllotoxin, named erlangerin C and erlangerin D,   were isolated from the resin of
      Commiphora erlangeriana, a plant occurring in Ethiopia   and Somalia. The structures of these compounds including their   relative stereochemistry were elucidated on the basis of spectral   evidence, chemical data, and X-ray crystallographic analysis.

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