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Biosynthesis of the protoberberine alkaloid jatrorrhizine

✍ Scribed by M. Rueffer; O. Ekundayo; N. Nagakura; M.H. Zenk


Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
129 KB
Volume
24
Category
Article
ISSN
0040-4039

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✦ Synopsis


Feeding experiments with distant single or doubly labelled precursors show that the methylene dioxy group of berberine is opened in the formation of jatrorrhizine.


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✍ Georgios Papazoglou; Jorge Sierra; Katharina Homberger; Armin Guggisberg; Wolf-D πŸ“‚ Article πŸ“… 1991 πŸ› John Wiley and Sons 🌐 German βš– 331 KB

Aphelandrine (1) is shown to be biosynthesized in the root cells of Aphelundra tetragonu (VAHL) NEES from labelled putrescine (4), spermidine (5), and cinnamic acid (3). Whether spermine (6) and the @-hydroxycinna-moy1)spermidine 8 are precursors of 1 is uncertain, since the latter is hydrolysed to