Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, European Journal of Organic Chemistry called Iron Triflate Salts as Highly Active Catalysts for the Solvent-Free Oxidation of Cyclohexane, Author is Payard, Pierre-Adrien; Zheng, Yu-Ting; Zhou, Wen-Juan; Khrouz, Lhoussain; Bonneviot, Laurent; Wischert, Raphael; Grimaud, Laurence; Pera-Titus, Marc, which mentions a compound: 63295-48-7, SMILESS is O=S(C(F)(F)F)([O-])=O.O=S(C(F)(F)F)([O-])=O.O=S(C(F)(F)F)([O-])=O.[Fe+3], Molecular C3F9FeO9S3, Formula: C3F9FeO9S3.
Among a series of iron salts, iron triflates revealed as highly active catalysts for the oxidation of cyclohexane by tert-Bu hydroperoxide into cyclohexanol and cyclohexanone with initial turnover frequencies higher than 10,000 h-1. The structure of the iron complexes under the reaction conditions was studied by combining ESR (EPR) spectroscopy and DFT calculations The coordination of the catalytic iron center readily evolved in the presence of the reaction products, leading ultimately to its deactivation. Iron and organic superoxo intermediates were identified as plausible active species allowing to rationalize the high activity of iron ligated by highly delocalized counter-anions.
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Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem