In organic chemistry, the Ugi reaction is a multi-component reaction involving a ketone or aldehyde, an amine, an isocyanide and a carboxylic acid to form...
14 KB (1,497 words) - 00:51, 7 October 2024
Kabachnik–Fields reaction Mannich reaction Passerini reaction Pauson–Khand reaction Petasis reaction Strecker amino acid synthesis Ugi reaction Asinger reaction A3...
4 KB (517 words) - 17:46, 14 April 2023
Ugi or UGI may refer to: Ugi reaction, in chemistriy UGI Corporation, an American energy company Ugi Island in the Solomon Islands Camillo Ugi (1884–1970)...
357 bytes (70 words) - 00:06, 3 September 2023
Dömling, A.; Ugi, I. Angew. Chem. Int. Ed. Engl. 2000, 39, 3168–3210. (Review) The Passirini Reaction L. Banfi, R.Riva in Organic Reactions vol. 65 L.E...
17 KB (1,606 words) - 19:22, 26 September 2024
synthesis of an unnatural analogue was reported featuring an interrupted Ugi reaction as the key step. Scalable and modular total synthesis of the natural...
9 KB (737 words) - 04:49, 27 September 2024
arguments in articles. For example, in a paper on the optimization of a Ugi reaction, three different batches of product are used in the characterization...
23 KB (2,309 words) - 10:29, 3 December 2023
sulfonation process Ugi reaction Ullmann reaction Upjohn dihydroxylation Urech cyanohydrin method Urech hydantoin synthesis Van Leusen reaction Van Slyke determination...
37 KB (3,428 words) - 16:27, 11 November 2024
Amide (redirect from Bodroux reaction)
water. Amides do not readily participate in nucleophilic substitution reactions. Amides are stable to water, and are roughly 100 times more stable towards...
24 KB (2,303 words) - 02:33, 14 December 2024
Isocyanide (section Reactions)
in many multicomponent reactions of interest in organic synthesis, two of which are: the Ugi reaction and the Passerini reaction. Isocyanides also participate...
17 KB (1,905 words) - 15:06, 25 August 2024
Mumm rearrangement (category Rearrangement reactions)
isoimide group to an imide. The reaction is of relevance as part of the Ugi reaction. Mumm, O. (1910). "Umsetzung von Säureimidchloriden mit Salzen organischer...
1,013 bytes (96 words) - 19:27, 26 September 2024
2,5-Diketopiperazine (section Reactions)
the Ugi reaction can be applied. Dipeptides with an ester terminus spontaneously cyclize often. Racemization can be problematic. The Ugi reaction using...
22 KB (2,289 words) - 13:18, 29 June 2024
chemistry. He is known for the research on multicomponent reactions, yielding the Ugi reaction. After he went to Germany from Estonia in 1941 he began his...
4 KB (241 words) - 07:31, 24 August 2024
chemist who first reported its synthesis in 1970, Ivar Ugi. It is a ferrocene derivative. Ugi’s amine is a precursor to ligands, most notably, the Josiphos...
17 KB (1,790 words) - 14:12, 25 February 2024
California, San Diego. Chemistry (2008). New convertible isocyanides for the Ugi reaction; application to the stereoselective synthesis of omuralide. p. 11....
42 KB (4,649 words) - 08:58, 25 November 2024
the Ugi reaction to assist in the formation of the pentacyclic core. This reaction was unprecedented for using such a one pot multicomponent reaction in...
21 KB (1,883 words) - 02:27, 10 December 2024
Organic Chemistry. 51 (8): 1159–1165. doi:10.1021/jo00358a001. ISSN 0022-3263. Ugi, Ivar; Fetzer, Uwe (April 1961). "Isonitrile, III. Die Addition von Carbonsäurechloriden...
3 KB (281 words) - 08:40, 19 June 2023
of Retosiban 8 the linear peptide 5 is formed by the four-component Ugi reaction of the carboxybenzyl (Cbz) protected R-indanylglycine 1, D-alloisoleucine...
10 KB (1,099 words) - 16:40, 19 December 2023
Submeta and Nature. As well as concentrating on compounds related to the Ugi reaction, the ONSchallenge allows anyone to request a solubility measurement experiment...
3 KB (325 words) - 18:33, 5 February 2024
S-methylated endothiopeptide. The endothiopeptide was obtained by a thio-Ugi reaction. The resulting macrocycle was obtained as a racemic mixture at the amidine...
30 KB (3,272 words) - 07:16, 19 December 2023
of Epelsiban 11, the linear peptide 8 is formed by the four-component Ugi reaction of the carboxybenzyl (Cbz) protected R-indanylglycine 4, D-alloisoleucine...
15 KB (1,682 words) - 22:22, 1 November 2024
as versatile molecular building block in multicomponent reactions, for example the Ugi reaction, for the synthesis of heterocyclic annellated aromatics...
17 KB (1,666 words) - 11:40, 12 January 2024
Robinson–Gabriel synthesis (category Intramolecular condensation reactions)
doi:10.1021/jo00066a004. Shaw, A. Y.; Xu, Z.; Hulme, C. (2012). "Ugi,Robinson-Gabriel reactions directed toward the synthesis of 2,4,5-trisubstituted oxazoles"...
10 KB (1,113 words) - 16:35, 26 September 2024
ring should be stabilised by bonding to the metal centre. Huisgen R, I. Ugi (1956). "Zur Losung eines klassichen Problems der organischen Stickstoff-Chemie"...
6 KB (532 words) - 00:51, 29 September 2024
variations of Josiphos ligands have been reported. One family is prepared from Ugi's amine. An important improvement on initial syntheses has been using N(CH3)2...
13 KB (1,251 words) - 04:20, 10 September 2024
amines to isoquinolines, the Schmidt reaction with ketones, and the Ugi, Ritter, Pinner and Passerini reactions. IUPAC Gold Book: nitrilium ions Clayden...
2 KB (260 words) - 11:27, 14 April 2023
doi:10.1021/jacs.8b05189. PMC 6152610. PMID 29965757. Eckert, H.; Nestl, A.; Ugi, I. (2001). "Methyl Isocyanide". Encyclopedia of Reagents for Organic Synthesis...
7 KB (526 words) - 09:38, 23 October 2024
the hospital forced the evacuation of 20 people. Two schools in Marika and Ugi were completely destroyed. Fissures and landslides were also seen in the...
16 KB (1,535 words) - 17:45, 12 September 2024
McGouran, J. F.; Leung, I. K. H.; Berridge, G. (2013). "The Ugi four-component reaction enables expedient synthesis and comparison of photoaffinity probes"...
3 KB (295 words) - 02:18, 3 December 2024
Nigeria’s economy. Journal of Scientific Agriculture, 2(1), pp.71-75. Ubani, U.G.I., Williams, C.S. and Chung, R.A., 1980. Essential amino acid content of...
27 KB (2,879 words) - 21:51, 10 December 2024
Freda Soria Comua Ownership, Unity and Responsibility Party 621 24.2% Ulawa/Ugi Willie Marau Ownership, Unity and Responsibility Party 1,778 31.2% West ꞌAreꞌare...
110 KB (8,244 words) - 11:30, 31 December 2024