Synthesis of Sulfur Containing Ammonium and Phosphonium Borates
AssigneeGotion Inc.
InventorsNicole Holub, Juergen Herbel
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Abstract
The present disclosure relates to the preparation of sulfur containing ammonium and phosphonium borates KA, wherein K is a compound of formula (I), and A is an anion of formulae (IIa) or (IIb) by bringing into contact ammonium borates with sulfur containing ammonium or phosphonium halides or sulfonates.
Claims14
A process of making 1-methyl-1(2-((methylsulfonyl)oxy)ethyl-pyrrolidinium bis(oxalatoborate) comprising contacting 1-methyl-1(2-((methylsulfonyl)oxy)ethyl-pyrrolidinium methanesulfonate with triethylammonium bis(oxalatoborate) in the presence of a solvent or a solvent mixture.
A process of making 1-methyl-1 (2-((methylsulfonyl)oxy)ethyl-pyrrolidinium bis(oxalatoborate), comprising contacting 1-methyl-1 (2-((methylsulfonyl)oxy)ethyl-pyrrolidinium methanesulfonate with methylimidazolium bis(oxalatoborate) in the presence of a solvent or a solvent mixture.
A process of making 1-methyl-1(2-((methylsulfonyl)oxy)ethyl-pyrrolidinium difluoro(oxalatoborate), the process comprising contacting 1-methyl-1(2-((methylsulfonyl)oxy)ethyl-pyrrolidinium methanesulfonate with triethylammonium difluoro(oxalatoborate) in a solvent or a solvent mixture.
Dependencies are inferred from the claim text.