Two novel triterpenoids from the stemwood of Herrania cuatrecasana
1999
Wiedemann, B. | Lerche, H. | Lotter, H. | Neszmelyi, A. | Wagner, H. | Muller, A.A.
From the wood of Herrania cuatrecasana two novel triterpenoids have been isolated and structurally elucidated mainly by 1D and 2D NMR spectroscopy and X-ray crystallography. The two new compounds have been identified as 3beta,25-epoxy-25-hydroxy-14-taraxerene-1-one (1) and 6alpha,25-dihydroxy-3beta,25-epoxy- 14-taraxerene-1,16,21-trione (2) and were named as herranone (1) and herrantrione (2).
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