J Integr Plant Biol. ›› 1994, Vol. 36 ›› Issue (2): -.

• Research Articles •    

The Structure of Macrocalyxin B and F

Wang Xian-rong,Wang Hong-ping, Wang Su-qing, Shinichi Ueda and Tetsuro Fujita   

Abstract: Two novel diterpenoids, macrocalyxin B and macrocalyxin F, were isolated from the leaves of Rabdosia rnacrocalyx (Dunn) Hara and their structures were elucidated by spectral and chemical evidences.

Key words: Rabdosia macrocalyx, Ent-kaurenoid, Macrocalyxin B, Macrocalyxin F

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