A new alkaloid and its artificial derivative with an indazole ring from Nigella glandulifera.
CHEMICAL & PHARMACEUTICAL BULLETIN(2004)
摘要
A new compound, nigeglanine (1), and its new artificial derivative (la), 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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关键词
Nigella glandulifera,indazole alkaloid,zwitterion,nigeglanine
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