Synonyms:Borate(1-),ethenyltrifluoro-, potassium, (T-4)- (9CI);Potassium trifluorovinylborate(7CI,8CI);Potassium (ethenyl)trifluoroborate;Potassium vinyltrifluoroborate;
99% *data from raw suppliers
Potassium vinyltrifluoroborate *data from reagent suppliers
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The research focuses on the synthesis of 2-substituted 2H-chromenes, which are important oxygenated heterocyclic compounds with potential applications as inhibitors for TGF-b receptors. The synthesis is achieved using potassium vinyltrifluoroborates and salicylaldehyde in the presence of secondary amines, specifically dibenzylamine, at 80°C in dimethylformamide (DMF). The reactants include various substituted salicylaldehydes and potassium vinylboronic acids. The products, 2-substituted 2H-chromene derivatives, are obtained with yields ranging from 51% to 90%. The analyses used to characterize the synthesized compounds include thin layer chromatography, 1H NMR, 13C NMR, and high-resolution mass spectrometry, which confirm the purity and structure of the products.
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