Results 1 to 10 of about 740 (106)

Deoxyfluorination of acyl fluorides to trifluoromethyl compounds by FLUOLEAD®/Olah’s reagent under solvent-free conditions [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2020
A new protocol enabling the formation of trifluoromethyl compounds from acyl fluorides has been developed. The combination of FLUOLEAD® and Olah’s reagent in solvent-free conditions at 70 °C initiated the significant deoxyfluorination of the acyl ...
Yumeng Liang   +2 more
exaly   +3 more sources

Selective O‐Acylation of Enol Silyl Ethers with Acyl Fluorides Catalyzed by Fluoride Ions Derived from Potassium Fluoride and 18‐Crown‐6 [PDF]

open access: yesChemistryOpen
The fluoride ion‐catalyzed selective O‐acylation of enol silyl ethers with acyl fluorides using KF and 18‐Crown‐6 is described herein. This catalytic system facilitated the practical and facile reaction of a variety of enol silyl ethers derived from ...
Prof. Dr. Norio Sakai   +6 more
doaj   +4 more sources

Nickel-Catalyzed Decarbonylative Stannylation of Acyl Fluorides under Ligand-Free Conditions [PDF]

open access: yesMolecules, 2019
Nickel-catalyzed decarbonylative stannylation of acyl fluorides under ligand-free conditions was disclosed. A variety of aromatic acyl fluorides are capable of reacting with silylstannanes in the presence of cesium fluoride.
Xiu Wang, Yasushi Nishihara
exaly   +4 more sources

Copper‐Catalyzed Asymmetric Acylboration of 1,3‐Butadienylboronate with Acyl Fluorides [PDF]

open access: yesAngewandte Chemie - International Edition, 2023
AbstractWe report herein a Cu‐catalyzed regio‐, diastereo‐ and enantioselective acylboration of 1,3‐butadienylboronate with acyl fluorides. Under the developed conditions, the reactions provide (Z)‐β,γ‐unsaturated ketones bearing an α‐tertiary stereocenter with high Z‐selectivity and excellent enantioselectivities.
Shang Gao, Ming Chen
exaly   +4 more sources

Direct synthesis of acyl fluorides from carboxylic acids using benzothiazolium reagents [PDF]

open access: yesBeilstein Journal of Organic Chemistry
2-(Trifluoromethylthio)benzothiazolium triflate (BT-SCF3) was used as deoxyfluorinating reagent for the synthesis of versatile acyl fluorides directly from the corresponding carboxylic acids.
Lilian M Maas   +2 more
exaly   +3 more sources

Rapid and column-free syntheses of acyl fluorides and peptides using ex situ generated thionyl fluoride [PDF]

open access: yesChemical Science, 2022
Thionyl fluoride (SOF2) was developed as a rapid acid activation peptide coupling reagent for liquid phase peptide synthesis (LPPS) and solid phase peptide synthesis (SPPS).
Cayo Lee   +2 more
openaire   +4 more sources

Visible-light induced transition-metal and photosensitizer-free conversion of aldehydes to acyl fluorides under mild conditions

open access: yesGreen Synthesis and Catalysis, 2022
Acyl fluorides are powerful synthons for acylation with wide application in the synthesis of valued compounds, especially peptides. Herein, a practical and catalyst-free method for the synthesis of acyl fluorides from aldehydes via C(sp2)–H fluorination ...
Yatao Lang   +2 more
exaly   +3 more sources

Photoinduced Cleavage of Alkenyl Fluorides for Nucleophilic Acyl Substitution via In Situ Generated Acyl Fluorides [PDF]

open access: yesOrganic Letters
Acyl fluorides are valuable intermediates due to their stability and unique reactivity with amines, enabling selective acyl substitution. We report a mild one-pot method to access amides, esters, and thioesters from alkenyl fluorides. Visible-light photoexcitation of 4-nitrophthalonitrile promotes cleavage of the alkenyl fluoride, forming acyl ...
Emma S. Gogarnoiu   +5 more
openaire   +3 more sources

Direct Fluoroformylation of the C3‐Position of Indoles with 2,4‐Dinitro(trifluoromethoxy)benzene as Fluorocarbonyl Source [PDF]

open access: yesChemistryOpen
We herein report the direct fluoroformylation of indoles and other heteroaromatic cycles. Acyl fluorides are very useful moieties in coupling reactions with or without metal.
Lilian Wisson   +5 more
doaj   +2 more sources

Production and transport of gaseous 18F-synthons: 18F-acyl fluorides [PDF]

open access: yesJournal of Fluorine Chemistry, 2015
Fluorine-18 (18F, T 1/2=109.7 min) is a positron-emitting isotope that has found extensive application as a radiolabel for positron emission tomography (PET). Although gaseous 11C-CO2 and 11C-CH4 are practically transported from cyclotron to radiochemistry processes, 18F-fluoride is routinely transported in aqueous solution because it is commonly ...
Huailei Jiang   +2 more
openaire   +3 more sources

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