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Reticulatins A and B and hyrtioreticulin F from the marine sponge Hyrtios reticulatus
http://hdl.handle.net/2298/00043526
http://hdl.handle.net/2298/00043526ee244f98-73d1-4915-8e14-721b3f5b02c3
名前 / ファイル | ライセンス | アクション |
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0040-4020v69_7051-7055 (782.3 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-10-23 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Reticulatins A and B and hyrtioreticulin F from the marine sponge Hyrtios reticulatus | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Imidazole alkaloid, Indole alkaloid, Hyrtios reticulatus, Marine sponge | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
Imada, Kumiko
× Imada, Kumiko× Sakai, Eriko× Kato, Hikaru× Kawabata, Tetsuro× Yoshinaga, Sosuke× Nehira, Tatuso× Terasawa, Hiroaki× Tsukamoto, Sachiko |
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抄録 | ||||||
内容記述 | Three new alkaloids, reticulatins A (1) and B (2) and hyrtioreticulin F (3), were isolated from the water-soluble fraction of an EtOH extract of the marine sponge Hyrtios reticulatus. Compounds 1 and 2 were found to be novel 1,3-dimethyl-5-(methylthio)imidazolium alkaloids. The structure of 3 was determined to be an indole alkaloid related to hyrtioreticulin E (8) and hyrtioerectine B (9), which were isolated previously from the n-BuOH-soluble fraction of the sponge extract. The presence of three NH units in 3 was indicated by the 1H?15N HSQC spectrum in D2O/H2O (5:95) containing 0.05% TFA measured at 5 °C. Compound 3 is likely biosynthesized from l-tryptophan, two units of l-alanine, and glycine by the Pictet?Spengler reaction. The absolute configurations of 1?3 were determined by the methods based on ECD spectra. In addition, the result for 1 was further confirmed by the PGME method. | |||||
書誌情報 |
en : Tetrahedron 巻 69, 号 34, p. 7051-7055, 発行年 2013-08-26 |
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ISSN | ||||||
収録物識別子 | 0040-4020 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
関連識別子 | https://doi.org/10.1016/j.tet.2013.06.043 | |||||
権利 | ||||||
権利情報 | (C) 2013 This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
日本十進分類法 | ||||||
主題 | 483.2 | |||||
日本十進分類法 | ||||||
主題 | 499.3 | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier |