Structure Elucidation of Longikaurin G: A New Minor Diterpenoid from Rabdosia longituba.
From the leaves of RABDOSIA LONGITUBA, a new minor diterpenoid, named longikaurin G was isolated and the structure was elucidated as ENT-7beta,20-epoxy-6alpha, 7alpha, 11beta, 14alpha-tetrahydroxykaur-16-en-15-one ( 1) on the basis of chemical and spectroscopic evidence.
Takeda
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Faculty of Pharmaceutical Sciences, The University of Tokushima, Tokushima 770, Japan.
Fujita
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