Alkaloids ofZygadenus sibiricus. The structure of verazinine
✍ Scribed by É. M. Taskhanova; R. Shakirov; S. Yu. Yunusov
- Publisher
- Springer
- Year
- 1985
- Tongue
- English
- Weight
- 154 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0009-3130
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Prompted by reports of the anti-tumor activity of Palicourea species1 and the isolation of alkaloids of unknown structures\*, Palicourea alpina\* (SW.) DC (Rubiaceae) was extracted for alkaloids. Counter-current separation yielded in addition to harman, a new alkaloid, which we have named palinine,
In cularly examine connection with our interest in Hitragyna alkaloids and partithe unusual k-methoxy-indole mitragynine (2) , we had occasion to two batches of N. pciosa, collected six months apart on Luzon in the phillippines and another collected on Mindanao. Mitragynine was reported (3) found in