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Synthesis of Alkoxycarbonyldifluoromethyl-Substituted Semisquarates and Their Transformations
http://hdl.handle.net/2237/00028422
http://hdl.handle.net/2237/00028422029cbccc-c099-4f93-9ec7-2f7c097d4329
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-08-06 | |||||
タイトル | ||||||
タイトル | Synthesis of Alkoxycarbonyldifluoromethyl-Substituted Semisquarates and Their Transformations | |||||
言語 | en | |||||
著者 |
Kurohara, Takashi
× Kurohara, Takashi× Jiyue, Jiang× Shibuya, Masatoshi× Yamamoto, Yoshihiko |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | squarate | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ring expansion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | fluorine | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | quinones | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | tetronates | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cyclopentenones | |||||
抄録 | ||||||
内容記述 | A novel EtO2CCF2-substituted semisquarate is synthesized from diisopropyl squarate by selective 1,2-addition of the Reformatsky reagent derived from BrCF2CO2Et and subsequent rhenium-catalyzed allylic alcohol rearrangement. The compatibility of the highly reactive EtO2CCF2 group in ring transformations of the obtained semisquarate is investigated. Various EtO2CCF2-substituted, highly functionalized compounds, such as quinones, tetronates, cyclopentenones and a bicyclo-[3.2.0]heptenone, are successfully synthesized by ring transformations of the EtO2CCF2-substituted semisquarate. Also, an allylO2CCF2-substituted semisquarate is prepared and converted into the corresponding tetronate. Subsequent palladium-catalyzed deallylation followed by condensation of the resulting carboxylic acid with several amines under mild conditions affords the corresponding α,α-difluoroamides in good yields. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | ファイル公開:2019-04-01 | |||||
言語 | ja | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Georg Thieme Verlag | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1055/s-0036-1591887 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0039-7881 | |||||
書誌情報 |
en : Synthesis 巻 50, 号 08, p. 1687-1698, 発行日 2018-04 |
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著者版フラグ | ||||||
値 | author |