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US 2010/0160689 A1Published application
Salts having alkoxytris(fluoroalkyl)borate anions
AssigneeMerck Patent GmbH
InventorsNikola (Mykola) Ignatyev, Urs Welz-Biermann, Maik Finze, Eduard Bernhardt, Willner Helge
Life of this patent
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Abstract
The invention relates to salts having alkoxytris(fluoroalkyl)borate anions which on the one hand are used for the synthesis of ionic liquids, but on the other hand can be employed per se as ionic liquid, and to processes for the preparation thereof.
Claims5
-9. (canceled)
A compound of the formula (2)
- (R)2O—B(RF)3 (2),
- in which
- R denotes straight-chain or branched alkyl having 1 to 10 C atoms, aryl or aryl-C1-C6-alkyl and
- RF in each case, independently of one another, denotes fluorinated straight-chain or branched alkyl having 1 to 20 C atoms, fluorinated straight-chain or branched C1-C6-alkyl(aryl)or fluorinated aryl-C1-C6-alkyl.
1 more element
A process for the preparation of compounds of the formula (2), wherein
- a tris(fluoroalkyl)boron carbonyl of the formula (3)
- (RF)3BCO (3),
- where RF in each case, independently of one another, denotes fluorinated straight-chain or branched alkyl having 1 to 20 C atoms, fluorinated straight-chain or branched C1-C6-alkyl(aryl) or fluorinated aryl-C1-C6-alkyl, is reacted with a dialkyl ether of the formula (4)
- (R)2O (4),
- where R in each case, independently of one another, denotes straight-chain or branched alkyl having 1 to 10 C atoms, aryl or aryl-C1-C6-alkyl.
2 more elements
-14. (canceled)
Dependencies are inferred from the claim text.