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Likewise, imide can refer to a bisacylated amine or a twice deprotonated amine. Thus, depending on the system used, there is ambiguity as to whether amide or imide is being used to refer to the parent acid or the anion. (The anion has been referred to as an amidate or imidate in an attempt to distinguish it from the acid.)
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Trifluoromethanesulfonyl chloride (or triflyl chloride, CF3SO2Cl) can be used in a highly efficient method to introduce a trifluoromethyl group to aromatic and heteroaromatic systems, including known pharmaceuticals such as Lipitor. The chemistry is general and mild, and uses a photoredox catalyst and a light source at room temperature. [27]
In organic chemistry, the triflyl group (systematic name: trifluoromethanesulfonyl group) is a functional group with the formula R−SO 2 CF 3 and structure R−S(=O) 2 −CF 3. The triflyl group is often represented by –Tf. The related triflate group (trifluoromethanesulfonate) has the formula R−OSO 2 CF 3, and is represented by –OTf. [1]
Bis(trifluoromethanesulfonyl)aniline is a source of the triflyl (CF 3 SO + 2) group. The disulfonimides are of the type R−S(=O) 2 −N(H)−S(=O) 2 −R’ with two sulfonyl groups flanking an amine. [10] As with sulfinamides, this class of compounds is used as catalysts in enantioselective synthesis. [10] [11] [12]
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For example, the electrochemical window of Lithium bis- (trifluoromethanesulfonyl)imide, commercially known as LiTFSI is about 3.0 V because it can operate in the range of 1.9 -4.9 V. [7] On the other hand, for electrolytes that are characterized by narrow electrochemical window, they are prone to irreversible decomposition, [8] which in turn ...