Rainer Ludwig Claisen (German pronunciation: [ˈʁaɪnɐ ˈklaɪzn̩]; 14 January 1851 – 5 January 1930) was a German chemist best known for his work with condensations...

reaction produces a β-keto ester or a β-diketone. It is named after Rainer Ludwig Claisen, who first published his work on the reaction in 1887. The reaction...

The Claisen rearrangement is a powerful carbon–carbon bond-forming chemical reaction discovered by Rainer Ludwig Claisen. The heating of an allyl vinyl...

Claisen may refer to: Rainer Ludwig Claisen, a German chemist Claisen rearrangement, a reaction of a allyl vinyl ether to a γ,δ-unsaturated carbonyl Claisen...

reaction is named after two of its pioneering investigators Rainer Ludwig Claisen and J. Gustav Schmidt, who independently published on this topic in...

ethanol. It was first prepared in 1881 by the German chemist Rainer Ludwig Claisen (1851–1930) and the Swiss chemist Charles-Claude-Alexandre Claparède...

cinnamic acid forming the first Michael adduct: In the same year Rainer Ludwig Claisen claimed priority for the invention. He and T. Komnenos had observed...

alumina at 450–550 °C: C6H5CO2H + CH3CH2CO2H → C6H5C(O)CH2CH3 + CO2 + H2O Ludwig Claisen discovered that α-methoxystyrene forms this compound when heated for...

Hückel topology transition state. Discovered in 1912 by Rainer Ludwig Claisen, the Claisen rearrangement is the first recorded example of a [3,3]-sigmatropic...

German politician Rainer Brüderle (born 1945), German politician Rainer Ludwig Claisen (1851–1930), German chemist Rainer Fetting (born 1949), German painter...

Butenandt Georg Ludwig Carius Heinrich Caro Nikodem Caro Johann Friedrich Cartheuser Ernst Boris Chain Lorenz S. Cederbaum Rainer Ludwig Claisen Erich Clar...

followed by hydrolysis of the acid chloride product. In 1890, Rainer Ludwig Claisen described the synthesis of ethyl cinnamate via the reaction of ethyl...

earliest accounts of the tetrahedral intermediate came from Rainer Ludwig Claisen in 1887. In the reaction of benzyl benzoate with sodium methoxide, and...

conjugated organic bonding system. The concept was introduced in 1926 by Ludwig Claisen to explain the acidic properties of formylacetone and related ketoaldehydes...

Alexis Claude Clairaut Claisen condensation, rearrangement – Rainer Ludwig Claisen Claisen–Schmidt condensation – Rainer Ludwig Claisen and J. Gustav Schmidt...

Christopher Kelk Ingold, but also the non-electronic work of Rainer Ludwig Claisen and Ernst Tietze. Elizabeth MacGregor Hardy was born in Ottawa, Ontario...

of Schleswig-Holstein Kypros Chrysostomides Somyot Chueathai Rainer Ludwig Claisen Campbell Clarke Johannes Classen Carl Clemen Franz Jakob Clemens Charles...

historians, ambassador of the Republic of Austria to the Holy See Rainer Ludwig Claisen (1851–1930), famous German chemist August Everding (1928–1999), outstanding...

demonstrator in 1886-86 and then spent three years in Germany, working with Ludwig Claisen, Adolf von Baeyer and Wilhelm Ostwald. Following Ostwald he joined the...

[(Ph3PAu)3O]+[BF4]− + 2 AgCl + NaCl It has been used as a catalyst for the propargyl Claisen rearrangement. Complex bicyclic and tricyclic oxonium ions have been proposed...

gained his doctorate at the University of Munich under Prof Rainer Ludwig Claisen in Baeyer's laboratory in 1889. In 1890, aged 25, he was elected a Fellow...

process, he also obtained small amounts of a side-product. One year later Ludwig Claisen and Thomas Ewan achieved the synthesis of this side-product and characterized...

by a KS domain, followed by transfer to malonyl-ACP via decarboxylative Claisen condensation. This fragment is then able to react with the masked carbanion...

1755–1844. doi:10.1002/hlca.201200342. Blaser, Hans-Ulrich; Winnacker, Ernst-Ludwig; Fischli, Albert; Hardegger, Bruno; Bormann, Dieter; Hashimoto, Naoto; Schossig...

ethyl 2-oximinoacetoacetate and 2-methyl-3-oxobutanal, in turn made by the Claisen condensation of 2-butanone with ethyl formate. George Kleinspehn reported...

containing one electron withdrawing group by formylating a ketone via a Claisen condensation, followed by diazo-transfer and deformylative group transfer...

John; Petersen, Michael R. (1970). "Simple stereoselective version of the Claisen rearrangement leading to trans-trisubstituted olefinic bonds. Synthesis...