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Biomimetic One-Pot Preparation of a Black Tea Polyphenol Theasinensin A from Epigallocatechin Gallate by Treatment with Copper(II) Chloride and Ascorbic Acid
http://hdl.handle.net/10069/26170
http://hdl.handle.net/10069/26170387a9869-2c6f-4138-ba01-aa245cf8c3e3
名前 / ファイル | ライセンス | アクション |
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CPBul59_1183.pdf (652.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-10-31 | |||||
タイトル | ||||||
タイトル | Biomimetic One-Pot Preparation of a Black Tea Polyphenol Theasinensin A from Epigallocatechin Gallate by Treatment with Copper(II) Chloride and Ascorbic Acid | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Black tea | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Copper(II) chloride | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Dehydrotheasinensin A | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Epigallocatechin gallate | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Theasinensin A | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Shii, Takuya
× Shii, Takuya× Miyamoto, Makoto× Matsuo, Yosuke× Tanaka, Takashi× Kouno, Isao |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Chromatographic separation of black tea polyphenols is too difficult to supply sufficient quantities of pure compounds for biological experiments. Thus, facile methods to prepare black tea constituents were desired. Treatment of epigallocatechin gallate with copper(II) chloride efficiently afforded an unstable quinone dimer, dehydrotheasinensin A, and subsequent treatment with ascorbic acid stereoselectively yielded theasinensin A. The latter is a dimer with an R-biphenyl bond, one of the major polyphenols found in black tea. The method is simpler and more effective than enzymatic preparation. | |||||
書誌情報 |
CHEMICAL & PHARMACEUTICAL BULLETIN 巻 59, 号 9, p. 1183-1185, 発行日 2011-09-01 |
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出版者 | ||||||
出版者 | The Pharmaceutical Society of Japan | |||||
出版者別言語 | ||||||
日本薬学会 | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00092363 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 13475223 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00602100 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1248/cpb.59.1183 | |||||
権利 | ||||||
権利情報 | (c) 2011 The Pharmaceutical Society of Japan | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | CHEMICAL & PHARMACEUTICAL BULLETIN, 59(9), pp.1183-1185; 2011 |