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Trimethyloxonium tetrafluoroborate is the organic compound with the formula [(CH 3) 3 O] + [BF 4] −. (It is sometimes called "Meerwein's salt" after Hans Meerwein. [1] [a]) This salt is a strong methylating agent, being a synthetic equivalent of CH + 3.
Despite the low reactivity of the tetrafluoroborate anion in general, BF − 4 serves as a fluorine source to deliver an equivalent of fluoride. [2] The Balz–Schiemann reaction for the synthesis of aryl fluorides is the best known example of such a reaction. [3]
Battlefield 4 is a 2013 first-person shooter video game developed by DICE and published by Electronic Arts.The game was released in October and November for Microsoft Windows, PlayStation 3, Xbox 360, PlayStation 4, and Xbox One, and is the sequel to 2011's Battlefield 3, taking place six years later during the fictional "War of 2020".
Battlefield is a video game series developed by DICE, and published by Electronic Arts.The series debuted with the Battlefield 1942.The games take place during historical events, an alternate history, and in the future.
Triethyloxonium tetrafluoroborate is the organic oxonium compound with the formula [(CH 3 CH 2) 3 O] + [BF 4] −.It is often called Meerwein's reagent or Meerwein's salt after its discoverer Hans Meerwein.
Ferrocenium tetrafluoroborate is an organometallic compound with the formula [Fe(C 5 H 5) 2]BF 4.This salt is composed of the cation [Fe(C 5 H 5) 2] + and the tetrafluoroborate anion (BF −
The acidity of fluoroboric acid is complicated by the fact that its name refers to a range of different compounds, e.g. [H(CH 3 CH 2) 2 O] + [BF 4] − (dimethyloxonium tetrafluoroborate), [H 3 O] + [BF 4] − (oxonium tetrafluoroborate), and HF·BF 3 (hydrogen fluoride-boron trifluoride 1:1 adduct) – each with a different acidity.
Nitronium tetrafluoroborate is an inorganic compound with formula NO 2 BF 4.It is a salt of nitronium cation and tetrafluoroborate anion. [1] It is a colorless crystalline solid, which reacts with water to form the corrosive acids HF and HNO 3.