J Integr Plant Biol. ›› 1990, Vol. 32 ›› Issue (9): -.

• Research Articles •    

A Study on the Alkaloidal Components from Delphinium gyalanura Marq. et Shaw

Wang Feng-peng and S. W. Pelletier   

Abstract: From the roots of Delphinium gyalanum Marq. et Shaw native to China, a pair of new regioisomeric diterpenoid alkaloids as a mixture, named gyalanine A and B, was isolated whose structures were shown to be 4 and 5, respectively, on the basis of spectral data. The known diterpenoid alkaloids, delsemine A(1) and B(2), methyllycaconitine (3) and lycoctonine, were also obtained.

Key words: Delphinium gyalanum, Diterpenoid alkaloids, Gyalanine A, Gyalanine B

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