Journal of Asian Natural Products Research
Two novel isosteroid alkaloids from Fritillaria monatha.
Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі
Увайсці / Зарэгістравацца
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Рэферат
Two new isosteroid alkaloids, N-methyl-22,26-imino-13,22-oxido-5alpha,20alpha-jervine-3beta-ol-6-one, pengbeimine B (1) and N-methyl-22,26-imino-13,22-oxido-5alpha,20beta-jervine-3beta-ol-6-one, pengbeimine D (2) were isolated from the fresh bulbs of Fritillaria monatha Migo. Their structures were determined by spectral methods, and were proved by X-ray diffraction.