…The common name for potassium trichloroplatinate(II). It was first produced by W. C. Zeise around 1830. Zeise produced it by treating platinum chloride(IV) with ethyl alcohol and adding potassium chloride. … From [Organometallic Compounds]...Of course, there was no strict concept of inorganic and organic compounds at that time, but the oldest organometallic compound is thought to be Zeise's salt, KPtCl 3 (C 2 H 4 )・H 2 O. This is a pale yellow crystal obtained in 1827 by Danish pharmacologist William Christopher Zeise (1789-1847) by treating an aqueous solution of platinum chloride (IV) with ethyl alcohol and then adding potassium chloride. In the mid-20th century, it was discovered to be a π complex in which the π electrons of ethylene are coordinated to the platinum atom. The mid-19th century was the era when organic chemistry was emerging, and in the process of establishing the theory of groups, RW Bunsen of Germany created cacodyl As 2 (CH 3 ) 4 in 1841, and E. Frankland of England discovered diethylzinc Zn(C 2 H 5 ) 2 in 1849. ... *Some of the terminology explanations that mention "Zeise, WC" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…トリクロロ白金(II)酸カリウムの俗称。1830年ころツァイゼW.C.Zeiseにより初めてつくられた。ツァイゼは塩化白金(IV)をエチルアルコールで処理し,塩化カリウムを加えてつくった。… 【有機金属化合物】より…もちろん当時無機化合物や有機化合物という厳密な意味での概念があったわけではないが,有機金属化合物として最も古いと思われるものはツァイゼ塩KPtCl3(C2H4)・H2Oである。これは1827年デンマークの薬学者ツァイゼWilliam Christopher Zeise(1789‐1847)が塩化白金(IV)水溶液をエチルアルコールで処理してから塩化カリウムを加えて得た淡黄色結晶であるが,20世紀も半ばになってエチレンのπ電子が白金原子に配位したπ錯体であることがわかった。19世紀半ばは有機化学が勃興してくる時代であるが,そのなかで基の理論が成立していく過程で,1841年ドイツのR.W.ブンゼンがカコジルAs2(CH3)4をつくったのをはじめとして,49年イギリスのE.フランクランドがジエチル亜鉛Zn(C2H5)2を発見している。… ※「Zeise,W.C.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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