| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5166783 | Phytochemistry | 2008 | 6 Pages |
Abstract
Five pyrrolizidine alkaloids were isolated from Echium glomeratum Poir. (Boraginaceae). Three of these were (7S, 8R)-petranine (1), (7S, 8S)-petranine (2), and (7R, 8R)-petranine (3a) or (7R, 8S)-petranine (3b), and two were known but to the species: 7-angeloylretronecine (4) and 9-angeloylretronecine (5).
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Authors
Feras Q. Alali, Yahya R. Tahboub, Eyad S. Ibrahim, Amjad M. Qandil, Khaled Tawaha, Jason P. Burgess, Arlene Sy, Yuka Nakanishi, David J. Kroll, Nicholas H. Oberlies,