ORGANIC SYNTHESIS APPLICATIONS OF NON-AQUEOUS FLUORIDE SALT SOLUTIONS
申请人:CALIFORNIA INSTITUTE OF TECHNOLOGY
公开号:US20170057908A1
公开(公告)日:2017-03-02
Processes and reaction mixtures including non-aqueous solvent mixtures are presented. Non-aqueous solvent mixtures including fluoride salt and non-aqueous solvent combinations are provided that possess high fluoride ion concentrations useful for a range of applications, including organic synthesis. Further non-aqueous solvent mixtures are provided including a salt possessing a non-fluoride anion and a non-aqueous solvent that, when contacted with aqueous fluoride-containing reagents, extract fluoride ions to form non-aqueous fluoride-ion solutions possessing high fluoride-ion concentrations. The salts include an organic cation that does not possess a carbon in the β-position or does not possess a carbon in the β-position having a bound hydrogen. This salt structure facilitates its ability to be made anhydrous without decomposition. Example anhydrous fluoride salts include (2,2-dimethylpropyl)trimethylammonium fluoride and bis(2,2-dimethylpropyl)dimethylammonium fluoride. The combination of these fluoride salts with at least one fluorine-containing non-aqueous solvent (e.g., bis(2,2,2-trifluoroethyl)ether; (BTFE)) promotes solubility of the salt within the non-aqueous solvents.
[EN] FUSED RING COMPOUND, PREPARATION METHOD THEREFOR AND USE THEREOF<br/>[FR] COMPOSÉ CYCLIQUE FUSIONNÉ, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION<br/>[ZH] 稠环化合物、其制备方法及用途
申请人:SICHUAN KELUN BIOTECH BIOPHARMACEUTICAL CO LTD