Two new steroidal alkaloids, lichuanine (1) and lichuanisinine (2), were isolated from the bulbs of FritillariaLichuanensis P. Li et C.P. Yang. Their structures were determined to be (20S,25R)-5alpha, 14alpha-cevanine-3beta, 6beta-diol (1) and (20S,25S)-5alpha,14alpha-cevanine-3beta,6beta-diol-N-oxide (2) by means of spectral analysis and chemical evidence.
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【Two new steroidal alkaloids from bulbs of Fritillaria lichuanensis.].
【来自贝母鳞茎的两种新的甾体生物碱。】
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DOI：10.1080/1028602050034394文章类型：杂志文章
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从贝母的鳞茎中分离出两种新的甾体生物碱，即利环宁 (1) 和利环宁 (2)。Li et C.P.杨。确定它们的结构为 (20S，25R)-5α，14α-cevanine-3β，6β-二醇 (1) 和 (20S，25S)-5α，14α-cevanine-3β，6β-二醇-n-氧化物 (2) 通过光谱分析和化学证据。
