J Integr Plant Biol. ›› 1999, Vol. 41 ›› Issue (5): -.

• Research Articles •    

Antitumor Diterpenoids from Hedychium yunnanense and Their Photosensitized Oxidation

ZHAO Qing, HAO Xiao-Jiang, CHEN Yao-Zu, ZOU Cheng and HONG Xin   

Abstract: Two antitumor active diterpenoids, yunnancoronarin C and yunnancoronarin A, were isolated from the rhyzome of Hedychium yunnanense Gagnep. The former is a new compound, whose structure was deter- mined by spectra and chemical methods. Yunnancoronarin C could also be obtained from photosensitized oxidation of yunnancoronarin A as a minor product.

Key words: Hedychium yurmanense, ymmancoronarin C, Diterpenoid, Antitumor activity, Photosensitized Oxidation

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