804452
Potassium 3-ethoxycarbonylbenzoyltrifluoroborate
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About This Item
Fórmula empírica (notación de Hill):
C10H9BF3KO3
Número de CAS:
Peso molecular:
284.08
Código UNSPSC:
12352103
ID de la sustancia en PubChem:
NACRES:
NA.22
formulario
powder
cadena SMILES
CCOC(C1=CC=CC(C(B(F)(F)F)=O)=C1)=O.[K]
InChI
1S/C10H9BF3O3.K.H/c1-2-17-10(16)8-5-3-4-7(6-8)9(15)11(12,13)14;;/h3-6H,2H2,1H3;;
Clave InChI
WJLIBYVPNAKYHP-UHFFFAOYSA-N
Aplicación
Acyltrifluroborates (KAT′s) are bench, air, and moisture stable reagents for rapid, chemoselective amide bond formations with hydroxylamines. These amide bond forming reactions proceed under aqueous conditions, without the need for coupling reagents or protecting groups. This product was introduced in collaboration with the Bode Research Group.
Otras notas
Rapid Ligations with Equimolar Reactants in Water with the Potassium Acyltrifluoroborate (KAT) Amide Formation
Amide-Forming Ligation of Acyltrifluoroborates and Hydroxylamines in Water
Synthesis of Chemically and Configurationally Stable Monofluoro Acylboronates: Effect of Ligand Structure on their Formation, Properties, and Reactivities
Amide-Forming Ligation of Acyltrifluoroborates and Hydroxylamines in Water
Synthesis of Chemically and Configurationally Stable Monofluoro Acylboronates: Effect of Ligand Structure on their Formation, Properties, and Reactivities
Palabra de señalización
Warning
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Órganos de actuación
Respiratory system
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 3
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
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David M Nickerson et al.
Chemical communications (Cambridge, England), 49(39), 4289-4291 (2012-12-01)
The strategic incorporation of internal Lewis acids onto urea scaffolds gives rise to a family of tunable hydrogen bond donor catalysts. The nature of the Lewis acid and associated ligands affects the urea polarization, acidity, and activity in reactions of
Sonia S So et al.
Organic letters, 14(2), 444-447 (2012-01-03)
Boronate ureas operate as catalysts for the activation of nitrocyclopropane carboxylates in nucleophilic ring-opening reactions. A variety of amines were found to open the urea-activated nitrocyclopropane carboxylates, generating highly useful nitro ester building blocks in good yields. Standard manipulations allow
Tyler J Auvil et al.
Angewandte Chemie (International ed. in English), 52(43), 11317-11320 (2013-09-17)
It takes two: A unique organocatalyzed cascade for the unsymmetric double arylation of α-nitrodiazoesters is described. This organocascade features the strategic use of carbene-activating anilines in conjunction with a urea catalyst, thus allowing for the synthesis of pharmaceutically attractive α-diarylesters
Sonia S So et al.
The Journal of organic chemistry, 79(11), 4832-4842 (2014-05-07)
The power of hydrogen-bond donor catalysis has been harnessed to elicit and control carbene-like reactivity from nitrodiazoesters. Specifically, select ureas have been identified as effective catalysts for N-H insertion and multicomponent coupling reactions of nitrodiazoesters, anilines, and aromatic nucleophiles, thereby
Sonia S So et al.
Organic letters, 13(4), 716-719 (2011-01-14)
Boronate ureas are introduced as a new class of noncovalent catalysts for conjugate addition reactions with enhanced activity. Through intramolecular coordination of the urea functionality to a strategically placed Lewis acid, rate enhancements up to 10 times that of more
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