A family of electrophilic trifluoromethylating reagents which can be synthesized by comparatively simple, inexpensive routes, and for which the reactivity can be varied according to need. A composition of matter according to the first embodiment of the invention comprises a compound having the formula: 
in which A comprises H or F and B comprises F, SCF3, OCF3, OCHF2, S+(CF3)C6H5, NO2 or an NO2 substituent. In a second embodiment of the invention, a process for preparing a trifluoromethyl diphenylsulfonium triflate compound corresponding to the formula shown above comprises reacting phenyl trifluoromethyl sulfoxide or one of its derivatives with an aromatic compound in which A comprises H or F and B comprises H, F, SCF3, OCF3, OCHF2, S+(CF3)C6H5, NO2 or an NO2 substituent. In a third embodiment of the invention, a trifluoromethylation process comprises reacting a trifluoromethyl diphenylsulfonium triflate corresponding to the formula shown above with an electron rich substrate.
                            一种电泳性三
氟甲基化试剂家族,可以通过相对简单、廉价的途径合成,并且其反应性可以根据需要变化。根据发明的第一种实施方式的物质组成包括具有以下公式的化合物:其中A包括H或F,B包括F、S   、O   、OCHF2、S+(
CF3)
C6H5、
NO2或   取代基。根据发明的第二种实施方式,制备与上述公式相对应的三
氟甲基二苯
硫酰
三氟乙酸盐化合物的方法包括将苯基三
氟甲基亚砜或其衍
生物与其中A包括H或F,B包括H、F、S   、O   、OCHF2、S+(   )    、   或   取代基的芳香族化合物反应。根据发明的第三种实施方式,三
氟甲基化过程包括将与上述公式相对应的三
氟甲基二苯
硫酰
三氟乙酸盐化合物与富电子基底反应。