The application relates to the use of a salt associating an ammonium cation with an alkyl H-phosphonate anion of the following formula (I) in which R is a hydrocarbon radical, the pointed bond can be present or not, the radical R
3
being then present or absent, as an ionic liquid. The ammonium cation is preferably an imidazolium cation. This ionic liquid is particularly useful in the field of green chemistry as a substitute for organic solvents. The application also relates to a method for preparing such a salt by the direct dealkylation of the corresponding dialkylphosphite by the appropriate nitrated base, in one step and without any solvent. The application also relates to a method for preparing mixed methylated phosphites.
该申请涉及使用盐将
氨基阳离子与以下式(I)中的烷基H-
膦酸盐结合,其中R是一个碳氢基团,指示的键可以存在也可以不存在,基团R3则存在或不存在,作为
离子液体。
氨基阳离子最好是
咪唑阳离子。这种
离子液体在绿色
化学领域中特别有用,可作为有机溶剂的替代品。该申请还涉及通过适当的硝基碱直接脱烷基化相应的二烷基
膦酸酯来制备这种盐的方法,一步完成且无需任何溶剂。该申请还涉及制备混合甲基化
膦酸酯的方法。