A new alkaloid and its artificial derivative with an indazole ring from Nigella glandulifera |
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| Authors: | Liu Yu-Ming Yang Jun-Shan Liu Qing-Hua |
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| Institution: | Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Haidian District, PR China. |
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| Abstract: | A new compound, nigeglanine (1), and its new artificial derivative (1a), were isolated from the seeds of Nigella glandulifera, together with a known aporphine alkaloid, fuzitine (2). Their structures were established by spectral analysis, including two-dimensional (2D)-NMR spectroscopy. Nigeglanine (1) is the third natural product determined to contain an indazole nucleus. |
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