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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Stryker's reagent ： ウィキペディア英語版 Stryker's reagent Stryker's reagent (()6), also known as the Osborn complex, is a hexameric copper hydride ligated with triphenylphosphine. It is a brick red, air-sensitive solid. Stryker's reagent is a mild source of hydride and is used in homogeneous catalysis of conjugate reduction reactions of enones, enoates, and related substrates. ==Preparation and structure== The compound is prepared by hydrogenation of copper(I) ''tert''-butoxide, generated in situ from copper(I) chloride and sodium ''tert''-butoxide. Other more convenient methods have been developed since its discovery.〔O. Riant "Copper(I) hydride reagents and catalysts" Patai's Chemistry of Functional Groups, 2011, John Wiley & Sons. 〕〔R. D. Stephens "Hydrido(Triphenylphosphine)Copper(I)" Inorganic Syntheses, 1979, vol. 19, pp. 87–89. 〕 In terms of its structure, the compound is an octahedral cluster featuring Cu(PPh3) centres that are bonded by weak Cu---Cu interactions. Originally six of the eight faces were thought to be capped by hydride ligands.〔Raymond C. Stevens, Malcolm R. McLean, Robert Bau, Thomas F. Koetzle "Neutron diffraction structure analysis of a hexanuclear copper hydrido complex, H6Cu6()6: an unexpected finding" J. Am. Chem. Soc. 1989, pp 3472–3473. 〕 The structural assignment has been revised the hydrides are best described as edge bridging rather than face bridging. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Stryker's reagent」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.