Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Isolation of O-Demethyllycoramine from Bulbs of Lycoris radiata HERB.
SHIGERU KOBAYASHI, KAZUYOSHI YUASA, YASUHIRO IMAKURA, MASARU KIHARA, TETSURO SHINGU
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Keywords: pyridine hydrochloride
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1980 Volume 28 Issue 11 Pages 3433-3436

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Abstract
The bulbs of Lycoris radiata HERB. (Amaryllidaceae) were found to contain a new phenolic base, O-demethyllycoramine (O-demethyldihydrogalanthamine) (3), as well as previously isolated alkaloids, such as pretazettine (1), lycorine (4), lycoramine (5), lycorenine (6), demethylhomolycorine (7), hippeastrine (8), and homolycorine (9). The structure of 3 was confirmed by demethylation of lycoramine (5) with pyridine hydrochloride.
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© The Pharmaceutical Society of Japan
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