Isolation and identification of (2S)-2-amino-5-chloro-4-hydroxy-5-hexenoic acid from anAmanita of the sectionRoanokenses (Amanitaceae) |
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Authors: | Shin-Ichi Hatanaka Kumiko Okada Eiji Nagasawa |
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Institution: | (1) Department of Biology, Division of Natural Sciences, International Christian University, 10-2, Osawa 3-chome, Mitaka-shi, 181 Tokyo, Japan;(2) Tottori Mycological Institute, 211, Kokoge, 681-11 Tottori-shi, Japan |
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Abstract: | A chlorine-containing non-protein amino acid which was recently discovered from the fruit bodies ofAmanita gymnopus (2S)-2-amino-5-chloro-4-hydroxy-5-hexenoic acid, was isolated and crystallized for the first time from the fruit bodies of an unknown member ofAmanita belonging to the sectionRoanokenses, subsectionSolitariae. The results of elementary analyses, determination of optical rotations,1H- and13C-NMR-spectra, and some chemical reactions supported an earlier proposed structure.Part 24 in the series Biochemical studies of nitrogen compounds in fungi. for Part 23, see Hatanaka, S. I. et al. 1994. this journal35: 391–394. |
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Keywords: | (2S)-2-amino-5-chloro-4-hydroxy-5-hexenoic acid chloroamino acid non-protein amino acid Amanita sp |
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