dieckmann condensation
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Dieckmann condensation — The Dieckmann condensation is the intramolecular chemical reaction of diesters with base to give β ketoesters.[1][2][3][4][5] It is named after the German chemist Walter Dieckmann (1869–1925). The equivalent intermolecular reaction is the Claisen … Wikipedia
Condensation reaction — The condensation of two amino acids to form a peptide bond (red) with expulsion of water (blue) A condensation reaction is a chemical reaction in which two molecules or moieties (functional groups) combine to form one single molecule, together… … Wikipedia
dieckmann reaction — noun or dieckmann condensation ˈdēkmən , ˌmän Usage: usually capitalized D Etymology: after Walter Dieckmann died 1925 German chemist : a base catalyzed condensation of an open chain dicarboxylic ester to form a cyclic keto ester (as 2 keto… … Useful english dictionary
Condensation de Claisen — La condensation de Claisen (à ne pas confondre avec le réarrangement de Claisen) est une réaction omniprésente en milieu biologique. C est une réaction formant une liaison carbone carbone à partir de deux esters (ou deux thioesters par exemple)… … Wikipédia en Français
Condensation acyloïne — La condensation acyloïne est une réaction réductive de couple entre deux esters carboxyliques, utilisant du sodium métallique et menant à une α hydroxycétone, ou acyloïne[1],[2],[3] … Wikipédia en Français
Claisen condensation — The Claisen condensation (not to be confused with the Claisen rearrangement) is a carbon–carbon bond forming reaction that occurs between two esters or one ester and another carbonyl compound in the presence of a strong base, resulting in a β… … Wikipedia
Aldol condensation — An aldol condensation is an organic reaction in which an enol or an enolate ion reacts with a carbonyl compound to form a β hydroxyaldehyde or β hydroxyketone, followed by a dehydration to give a conjugated enone. Aldol condensations are… … Wikipedia
Walter Dieckmann — Infobox Scientist name = Walter Dieckmann image width = caption = Walter Dieckmann birth date = birth date|1869|10|8 birth place = Hamburg, Germany residence = nationality = death date = death date and age|1925|1|12|1869|10|8 death place = Munich … Wikipedia
Acyloin condensation — is a reductive coupling of two carboxylic esters using metallic sodium to yield an α hydroxyketone, also known as an acyloin. [cite journal title = Action du sodium sur les éthers des acides monobasiques à fonction simple de la série grasse… … Wikipedia
List of organic reactions — Well known reactions and reagents in organic chemistry include Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z See also Ext … Wikipedia
