In organic chemistry, the Mannich reaction is a three-component organic reaction that involves the amino alkylation of an acidic proton next to a carbonyl...
10 KB (1,017 words) - 16:55, 26 September 2024
The nitro-Mannich reaction (or aza-Henry reaction) is the nucleophilic addition of a nitroalkane (or the corresponding nitronate anion) to an imine, resulting...
25 KB (2,892 words) - 22:19, 27 September 2024
Robinson annulation (redirect from Wichterle reaction)
method using sulfuric acid. The Michael reaction can occur under neutral conditions through an enamine. A Mannich base can be heated in the presence of...
15 KB (1,746 words) - 15:21, 26 September 2024
olefination Kabachnik–Fields reaction Kharasch–Sosnovsky reaction Keck asymmetric allylation Ketimine Mannich reaction Ketone halogenation Kiliani–Fischer...
37 KB (3,419 words) - 11:08, 19 October 2024
Proline organocatalysis (section Reactions)
development of related reactions including the Michael addition, asymmetric aldol reaction, and the Mannich reaction. This reaction has likewise been used...
20 KB (1,841 words) - 15:30, 19 May 2024
A00270 Gaudry, Michel; Jasor, Yves; Khac, Trung Bui (1979). "Regioselective Mannich Condensation with Dimethyl(Methylene)ammonium Trifluoroacetate:...
2 KB (284 words) - 19:10, 19 October 2023
reduction of its oxime. Henry reaction of piperonal with nitroethane followed by nitro compound reduction. Darzens reaction on heliotropin was also done...
24 KB (2,233 words) - 07:24, 24 October 2024
CuFe2O4 catalyst was demonstrated its activity for C-H activation in Mannich type reaction. In the mechanistic study, the copper play a significant role in...
25 KB (2,299 words) - 00:28, 18 October 2024
such as aldol additions, Diels-Alder cycloadditions and Mannich reactions. Many organic reactions involve the formation of tetrahedral intermediates through...
32 KB (3,990 words) - 10:15, 26 September 2024
Hajos–Parrish–Eder–Sauer–Wiechert reaction. Subsequently, he developed the first proline-catalyzed Mannich, Michael, and α-amination reactions. He found asymmetric...
24 KB (2,117 words) - 10:06, 3 November 2024
substitution but will also become part of the strychnine skeleton. A Mannich reaction with formaldehyde and dimethylamine) produced gramine 4. Alkylation...
39 KB (4,087 words) - 03:50, 29 February 2024
S-Methyl-N-nitro-isothiourea is treated with methylamine to give N-methyl nitroguanidine. This intermediate is used in a Mannich reaction with formaldehyde...
21 KB (1,974 words) - 00:20, 23 October 2024