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General structure of an amide (specifically, a carboxamide) Formamide, the simplest amide Asparagine (zwitterionic form), an amino acid with a side chain (highlighted) containing an amide group. In organic chemistry, an amide, [1] [2] [3] also known as an organic amide or a carboxamide, is a compound with the general formula R−C(=O)−NR′R ...
The Hofmann rearrangement (Hofmann degradation) is the organic reaction of a primary amide to a primary amine with one less carbon atom. [1] [2] [3] The reaction involves oxidation of the nitrogen followed by rearrangement of the carbonyl and nitrogen to give an isocyanate intermediate.
Well-known reactions and reagents in organic chemistry include 0-9. 1,2-Wittig rearrangement ... von Braun amide degradation; von Braun reaction; von Richter ...
Weinreb and Nahm originally proposed the following reaction mechanism to explain the selectivity shown in reactions of the Weinreb–Nahm amide. Their suggestion was that the tetrahedral intermediate (A below) formed as a result of nucleophilic addition by the organometallic reagent is stabilized by chelation from the methoxy group as shown. [1]
Amide reduction is a reaction in organic synthesis where an amide is reduced to either an amine or an aldehyde functional group. [ 1 ] [ 2 ] Catalytic hydrogenation
The Ritter reaction proceeds by the electrophilic addition of either a carbenium ion or covalent species [5] [6] to the nitrile. The resulting nitrilium ion is hydrolyzed to the desired amide. Primary, [ 7 ] secondary, [ 4 ] tertiary, [ 8 ] and benzylic [ 9 ] alcohols , [ 1 ] as well as tert -butyl acetate, [ 10 ] also successfully react with ...
In organic chemistry, the Schmidt reaction is an organic reaction in which an azide reacts with a carbonyl derivative, usually an aldehyde, ketone, or carboxylic acid, under acidic conditions to give an amine or amide, with expulsion of nitrogen.
Weerman degradation, also named Weerman reaction, is a name reaction in organic chemistry.It is named after Rudolf Adrian Weerman, who discovered it in 1910. [1] In general, it is an organic reaction in carbohydrate chemistry in which amides are degraded by sodium hypochlorite, forming an aldehyde with one less carbon. [2]