52193-54-1 | Pyridinium trifluoromethanesulfonate

CAS:52193-54-1 | Pyridinium trifluoromethanesulfonate ,Description

Pyridinium trifluoromethanesulfonate (PTFMS) is an organic compound with a broad range of applications in research and industry. It is a colorless solid that is soluble in water and other organic solvents. It is a highly reactive and versatile reagent, used in a variety of synthetic transformations, as well as in biochemical and physiological studies. Its properties make it an attractive choice for a wide range of applications.
 

Scientific Research Applications

Catalyst for Cationic Cyclisations

Pyridinium trifluoromethanesulfonate serves as a catalyst in cationic cyclisations. It is particularly effective in inducing 5-endo cyclisation of homoallylic sulfonamides to form pyrrolidines. This process is advantageous for the efficient formation of polycyclic systems, demonstrating the catalyst's role in organic synthesis (Haskins & Knight, 2002).

Crystal Structure and Phase Transitions

The crystal structure and phase transitions of pyridinium trifluoromethanesulfonate (PyHOTf) have been extensively studied. It exhibits multiple reversible solid-solid phase transitions at varying temperatures. These phase transitions are confirmed by x-ray diffraction data, showing that the crystal structures of various phases range from tetragonal to monoclinic and pseudo-cubic (Jesariew, Ilczyszyn, & Pietraszko, 2014).

Molecular Dynamics in Ionic Liquids

Pyridinium-based ionic liquids containing trifluoromethanesulfonate exhibit unique thermodynamic and transport properties. Studies using molecular dynamics and experimental methods, like pulsed field gradient nuclear magnetic resonance, reveal insights into the dynamics and volumetric properties of these compounds, contributing to a deeper understanding of ionic liquids (Cadena et al., 2006).

Reagent in Organic Synthesis

N-Substituted pyridinium salts, including pyridinium triflates, are valuable reagents in organic synthesis. Their structural analysis and the prediction of their energy landscapes provide insights into their stability and reactivity. These properties make them useful for various synthetic applications (Shapiro et al., 2018).

Synthesis and Properties of Poly(Pyridinium Triflate)s

Pyridinium triflates are used in synthesizing rigid-rod poly(pyridinium triflate)s, which are organo-soluble and exhibit high thermal stability. These polymers have potential applications in areas requiring high-performance materials due to their unique mechanical and thermal properties (Huang et al., 2000).

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