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Showing 1-11 of 11 results for "904848" within Papers
Teppei Fujimoto et al.
Organic letters, 17(3), 544-547 (2015-01-27)
A practical deoxyfluorination with novel deoxyfluorinating reagent PhenoFluorMix, a mixture of N,N'-1,3-bis(2,6-diisopropylphenyl)chloroimidazolium chloride and CsF, is presented. PhenoFluorMix overcomes the challenges associated with hydrolysis of PhenoFluor. PhenoFluorMix does not hydrolyze, is readily available on decagram scale, and is storable in
Nathaniel W Goldberg et al.
Organic letters, 18(23), 6102-6104 (2016-12-10)
A practical, high-yielding method for the deoxyfluorination of alcohols is presented using AlkylFluor, a novel salt analogue of PhenoFluor. AlkylFluor is readily prepared on multigram scale and is stable to long-term storage in air and exposure to water. The practicality
Jisu Back et al.
Journal of the American Chemical Society, 139(43), 15300-15303 (2017-10-19)
Notwithstanding the notable progress in the synthesis of N-heterocyclic carbene-stabilized radicals, aminyl radicals, supported by NHCs or otherwise, have been scarcely studied due to synthetic challenges. Triazenyl radical is a particular form of aminyl radical that contains three adjacent nitrogen
Corrigendum: Concerted nucleophilic aromatic substitution with 19F- and 18F.
Constanze N Neumann et al.
Nature, 538(7624), 274-274 (2016-08-04)
Martin G Strebl et al.
ACS central science, 3(9), 1006-1014 (2017-10-06)
Histone deacetylase 6 (HDAC6) function and dysregulation have been implicated in the etiology of certain cancers and more recently in central nervous system (CNS) disorders including Rett syndrome, Alzheimer's and Parkinson's diseases, and major depressive disorder. HDAC6-selective inhibitors have therapeutic
Pingping Tang et al.
Journal of the American Chemical Society, 133(30), 11482-11484 (2011-07-09)
An operationally simple ipso fluorination of phenols with a new deoxyfluorination reagent is presented.
Teppei Fujimoto et al.
Organic process research & development, 18(8), 1041-1044 (2014-09-02)
We report a practical synthesis method of the reagent PhenoFluor on decagram scale, provide a new formulation of PhenoFluor as a toluene solution, which should decrease challenges associated with the moisture sensitivity of the reagent, and expand the substrate scope
Daniel Mendoza-Espinosa et al.
Journal of the American Chemical Society, 132(21), 7264-7265 (2010-05-07)
Using the nucleophilicity of NHCs and aNHCs, as well as the leaving group ability of the former, the carbon-carbon double bond of imidazol-2-ylidenes can be readily mono- and difunctionalized. These results provide also a new light on the formation of
M Hassan Beyzavi et al.
ACS central science, 3(9), 944-948 (2017-10-06)
The deficiency of robust and practical methods for 18F-radiofluorination is a bottleneck for positron emission tomography (PET) tracer development. Here, we report the first transition-metal-assisted 18F-deoxyfluorination of phenols. The transformation benefits from readily available phenols as starting materials, tolerance of
Jens Rickmeier et al.
Angewandte Chemie (International ed. in English), 57(43), 14207-14211 (2018-09-07)
Radiolabeled receptor-binding peptides are an important class of positron emission tomography tracers owing to achievable high binding affinities and their rapid blood clearance. Herein, a method to introduce a 4-[18 F]fluoro-phenylalanine residue into peptide sequences is reported, by chemoselective radio-deoxyfluorination
Robert J Gilliard et al.
Chemical communications (Cambridge, England), 53(91), 12325-12328 (2017-11-03)
The reaction of the chloroimidazolium chloride salt, [NHC-Cl][Cl], NHC = C{N(2,6-iPr2C6H3)CH}2 (1) with two equivalents of sodium phosphaethynolate, Na[OCP]·(dioxane)2.5, results in the formation of NHC-{cyclo-(CO)-P2-C(O)} (2) and NHC-P2-C(O)-NHC (3). Notably, in the presence of free NHC ligand, compound 2 converts
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