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Siphonazol, ein ungewöhnlicher Naturstoff aus Herpetosiphon sp.

✍ Scribed by Markus Nett; Özlem Erol; Stefan Kehraus; Matthias Köck; Anja Krick; Ekaterina Eguereva; Edith Neu; Gabriele M. König


Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
122 KB
Volume
118
Category
Article
ISSN
0044-8249

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From the leaves of Kopsiu dusyruchis Ridl. a new type of alkaloid, kopsirachine (l), built up from catechin (2) and skytanthine (3) has been isolated. The structure elucidation is based on spectral and chemical evidence. Oxidative cleavage of its derivative 4 with KMnO, afforded veratric acid which