Structure Elucidation of Longikaurin G: A New Minor Diterpenoid from Rabdosia longituba

Yoshio Takeda; Tetsuro Fujita

doi:10.1055/s-2006-962447

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Planta Med 1988; 54(4): 327-329
DOI: 10.1055/s-2006-962447

Papers

Structure Elucidation of Longikaurin G: A New Minor Diterpenoid from Rabdosia longituba

Yoshio Takeda¹ , Tetsuro Fujita²

¹Faculty of Pharmaceutical Sciences, The University of Tokushima, Tokushima 770, Japan.
²Faculty of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto 606, Japan.

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Publication History

1987

Publication Date:
24 January 2007 (online)

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Abstract

From the leaves of Rabdosia longituba, a new minor diterpenoid, named longikaurin G was isolated and the structure was elucidated as ent-7β,20-epoxy-6α, 7α, 11β, 14α-tetrahydroxykaur-16-en-15-one (1) on the basis of chemical and spectroscopic evidence.