## Abstract For Abstract see ChemInform Abstract in Full Text.
Spectrophotometric determination of the alkaloids of theβ-carboline series in the bark of Elaeagnus angustifolia
✍ Scribed by A. G. Nikolaeva; A. P. Prokopenko; P. E. Krivenchuk
- Book ID
- 112372418
- Publisher
- Springer
- Year
- 1970
- Tongue
- English
- Weight
- 171 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0009-3130
No coin nor oath required. For personal study only.
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## Abstract The first total synthesis of the β‐carboline alkaloids arenarine A **(1)** and arenarine B **(2)** is described. Methanolysis of the α‐bromoketone **9** gives **1** in good yield. Alternatively **1** can be obtained from the diazoketone **11** with boron trifluoride/methanol in poor yie
## Abstract Five new β‐carboline alkaloids, 6,12‐dimethoxy‐3‐(2‐hydroxylethyl)‐β‐carboline (1), 3,10‐dihydroxy‐β‐carboline (2), 6,12‐dimethoxy‐3‐(1‐hydroxylethyl)‐β‐carboline (3), 6,12‐dimethoxy‐3‐(1,2‐dihydroxylethyl)‐β‐carboline (4), and 6‐methoxy‐3‐(2‐hydroxyl‐1‐ethoxylethyl)‐β‐carboline (5), an