Tetrafluoroborate is the anion BF− 4. This tetrahedral species is isoelectronic with tetrafluoroberyllate (BeF2− 4), tetrafluoromethane (CF4), and tetrafluoroammonium...

Nitrosonium tetrafluoroborate, also called nitrosyl tetrafluoroborate, is a chemical compound with the chemical formula NOBF4. This colourless solid is...

Sodium tetrafluoroborate is an inorganic compound with formula NaBF4. It is a salt that forms colorless or white rhombic crystals and is soluble in water...

Trimethyloxonium tetrafluoroborate is the organic compound with the formula [(CH3)3O]+[BF4]−. (It is sometimes called "Meerwein's salt" after Hans Meerwein...

Benzenediazonium tetrafluoroborate is an organic compound with the formula [C6H5N2]BF4. It is a salt of a diazonium cation and tetrafluoroborate. It exists...

Nitronium tetrafluoroborate is an inorganic compound with formula NO2BF4. It is a salt of nitronium cation and tetrafluoroborate anion. It is a colorless...

Silver tetrafluoroborate is an inorganic compound with the chemical formula AgBF4. It is a white solid that dissolves in polar organic solvents as well...

Triethyloxonium tetrafluoroborate is the organic oxonium compound with the formula [(CH3CH2)3O]+[BF4]−. It is often called Meerwein's reagent or Meerwein's...

Ferrocenium tetrafluoroborate is an organometallic compound with the formula [Fe(C5H5)2]BF4. This salt is composed of the cation [Fe(C5H5)2]+ and the...

are typical alkylating agents. Trimethyloxonium tetrafluoroborate and triethyloxonium tetrafluoroborate are particularly strong electrophiles due to their...

typical diazonium salts. The N+≡N bond distance in benzenediazonium tetrafluoroborate is 1.083(3) Å, which is almost identical to that for dinitrogen molecule...

Ammonium tetrafluoroborate (or ammonium fluoroborate) is an inorganic salt composed of the ammonium cation and the tetrafluoroborate anion, with the chemical...

acid" usually refers to a range of compounds including hydronium tetrafluoroborate ([H3O]+[BF4]−), which are available as solutions. The ethyl ether...

Lithium tetrafluoroborate is an inorganic compound with the formula LiBF4. It is a white crystalline powder. It has been extensively tested for use in...

tetrafluoroborate is an organic compound with the formula [C7H7]+[BF4]−. Containing the tropylium cation and the non-coordinating tetrafluoroborate counteranion...

Tetrakis(acetonitrile)copper(I) tetrafluoroborate is a complex compound of copper with acetonitrile as the ligand and tetrafluoroborate as the counterion....

hypophosphorous acid and others, and fluorination can be carried out using tetrafluoroborate anions (Balz–Schiemann reaction). However, since these processes do...

Iron(II) tetrafluoroborate or ferrous tetrafluoroborate is an inorganic chemical with chemical formula Fe(BF4)2. Both the anhydrous form and a hexahydrate...

evidenced by the ease of salt formation. The organic synthesis of the tetrafluoroborate salt of 2-quinuclidone is a six-step affair starting from norcamphor...

combination of Brønsted acids and Lewis acids. Before the 1990s, tetrafluoroborate, hexafluorophosphate, and perchlorate were considered weakly coordinating...

e. treatment of nucleophiles with sources of Et+. Triethyloxonium tetrafluoroborate [Et3O]BF4 is such a reagent. For good nucleophiles, less electrophilic...

followed by ion exchange with sodium tetrafluoroborate (replacing the chloride counterion for the tetrafluoroborate). The resulting salt is treated with...

aromatic amine is transformed to an aryl fluoride via a diazonium tetrafluoroborate intermediate. This reaction is a traditional route to fluorobenzene...

Cadmium tetrafluoroborate is an ionic, chemical compound with the formula Cd(BF4)2. It is a crystalline solid, which is colorless and odorless. Cadmium...

triflate and 5-(trifluoromethyl)dibenzothiophenium tetrafluoroborate. Many CF3-containing metal complexes have been prepared, and some...

Copper(II) tetrafluoroborate is any inorganic compound with the formula Cu(H2O)x(BF4)2. As usually encountered, it is assumed to be the hexahydrate (x...

(d6) Ferrous sulfate, Ferrocene 3 (d5) Ferric chloride, Ferrocenium tetrafluoroborate 4 (d4) Fe(diars) 2Cl2+ 2, FeO(BF4)2 5 (d3) FeO3− 4 6 (d2) Potassium...

for carbureted compression ignition model engines. Triethyloxonium tetrafluoroborate is prepared from boron trifluoride, diethyl ether, and epichlorohydrin:...

melting point of -8 °C. Together with 1-butyl-3-methylimidazolium tetrafluoroborate, BMIM-BF4, it is one of the most widely studied ionic liquids. It...

PhF + BF3 + N2 Alternatively it arises from the reaction of sodium tetrafluoroborate, boron trioxide, and sulfuric acid: 6 Na[BF4] + B2O3 + 6 H2SO4 → 8...