2020
DOI: 10.1002/anie.201913840
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Zeise, Liebig, Jensen, Hückel, Dewar, and the Olefin π‐Complex Bonds

Abstract: Zeisess alt, KPt(C 2 H 4 )Cl 3 ,w as the first characterized organometallic compound;i tw as also the first olefin pcomplex. It was published in 1825-1830 in the middle of afight between Dumas on the one hand and Berzelius and Liebig on the other,w ho defended the etherin (ethylene) and radical theories,r espectively.A lthough Zeisesf ormulation as ac ompound containing ethylene was vindicated, the fight went on for many years.T his was at ime when the theories of organic chemistry were being developed, before… Show more

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Cited by 22 publications
(38 citation statements)
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“…Scharling must have made a good impression on Bunsen, for he was made a member of the Gesellschaft zur Förderung der gesammten Naturwissenschaften in Marburg in 1842. Zeise had started his career as Ørsted's teaching assistant in 1820, when he witnessed Ørsted's monumental discovery (see the Supporting Information, S4) . After returning to Marburg Bunsen wrote to Liebig on 29 October, 1841: “Zeise is a lovely, good and friendly man, but his conversation is just like his writing,” that is, cumbersome and difficult to understand, echoing observations made by Berzelius, Liebig, and Wöhler .…”
Section: Voltaic Batteries and Electromagnetismmentioning
confidence: 91%
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“…Scharling must have made a good impression on Bunsen, for he was made a member of the Gesellschaft zur Förderung der gesammten Naturwissenschaften in Marburg in 1842. Zeise had started his career as Ørsted's teaching assistant in 1820, when he witnessed Ørsted's monumental discovery (see the Supporting Information, S4) . After returning to Marburg Bunsen wrote to Liebig on 29 October, 1841: “Zeise is a lovely, good and friendly man, but his conversation is just like his writing,” that is, cumbersome and difficult to understand, echoing observations made by Berzelius, Liebig, and Wöhler .…”
Section: Voltaic Batteries and Electromagnetismmentioning
confidence: 91%
“…The high reactivity and the assumption that cacodyl was a free radical fitted the radical theory of Berzelius perfectly, but was seen (erroneously) as a disproof of Dumas’ substitution hypothesis …”
Section: Introductionmentioning
confidence: 99%
“…Scharling muss einen guten Eindruck auf Bunsen gemacht haben, da er 1842 Mitglied der Gesellschaft zur Förderung der gesamten Naturwissenschaften in Marburg wurde. Zeise hatte seine Karriere 1820 als Unterrichtsassistent für Ørsted begonnen und bezeugte im selben Jahr Ørsteds monumentale Entdeckung (siehe die Hintergrundinformationen, S4) . Nach seiner Rückkehr nach Marburg schrieb Bunsen am 29.10.1841 an Liebig: “Zeise ist ein lieber, guter und freundlicher Mann, aber in seiner Unterhaltung gerade so wie in seiner Schriften,” d. h. schwerläufig und schwierig zu verstehen, wie auch von Berzelius, Liebig und Wöhler beobachtet .…”
Section: Voltaische Batterien Und Elektromagnetismusunclassified
“…Es sei vermerkt, dass Liebig in eine höchst persönliche und scharfe öffentliche Auseinandersetzung mit Zeise über die Zusammensetzung von Zeises Salz (Pt‐Ethylen‐Komplex) während der Periode 1834‐1843, wo Liebig deutlich unrecht hatte, involviert war . Soweit bekannt ist, waren weder Bunsen noch Ørsted an dieser Kontroverse beteiligt.…”
Section: Voltaische Batterien Und Elektromagnetismusunclassified
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