Phytochemistry p. 1365 - 1368 (1982)
Update date:2022-08-17
Topics:
Hasan, Choudhury M.
Healey, Terence M.
Waterman, Peter G.
The stem bark of Xylopia aethiopica has yielded four diterpenes, two of them novel.Three of the diterpenes were identified as (-)-kaur-16-en-19-oic acid and its 7-oxo and 7β-hydroxy derivatives.The fourth was the novel kolavane derivative 2-oxo-kolav-3,13-dien-15-oic acid, a type of compound not previously recorded in the Annonaceae. - Key Word Index: Xylopia aethiopica; Annonaceae; diterpenes; 2-oxokolavenic acid; (-)-kaur-16-en-19-oic acid; 7-oxo-(-)-kaur-16-en-19-oic acid; 7β-hydroxy-(-)-kaur-16-en-19-oic acid.
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