Author:
Jefferies PR,Retallack RW
Abstract
The title substance was
separated from the plant as its methyl ester (IV) and its structure
established, partly by conversion into 16α-(-)-kaurane-17,19-dioic
acid (VIII) and by other chemical and N.M.R. evidence which locates the
secondary hydroxyl. Four known kauranes and a flavone were also isolated from the plant. The conformation of ring c
in the 12-oxygenated compounds is discussed.
Cited by
24 articles.
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