A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, category: catalyst-ligand, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 448-61-3, Name is 2,4,6-Triphenylpyrylium tetrafluoroborate, molecular formula is C23H17BF4O. In a Patent, authors is ，once mentioned of 448-61-3
The present invention relates to the process for the preparation of Pyrylium salts having the formula represented below. Present invention provide a simplified method of producing symmetrical and unsymmetrical pyrylium salts. The invention explores readily available starting materials with reaction conditions which are suitable for industrial scale applications. All the synthesized compounds were confirmed by various spectroscopic techniques such as Fourier transform infrared spectroscopy, 1H NMR, 13C NMR, 19F NMR spectroscopy, and single-crystal X-ray analysis. Mass of the compounds confirmed by HRMS analysis.
Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. I hope my blog about is helpful to your research. category: catalyst-ligand
Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI