Synthesis of 2,6-di-(3,4-dimethyl phenyl) pyrylium fluoroborate and perchlorate in single step salts using 3,4-dimethyl acetophenone

Due to its high conductivity, pyrylium has been frequently used in an electron transfer reaction or in synthesis of various sensor materials. Traditionally, the compounds have been synthesized using various methods; mostly in multiple steps. In this study, two pyrylium salts, i.e., 2,6-di-(3,4-dimethylphenyl) pyrylium fluoroborate and perchlorate have been synthesized in a single step. The synthesis of the products was confirmed by LC/TOF-MS and FT-IR analyses. Their photo-properties were analyzed using UV/VIS spectrophotometry while their electron transfer capacities were analyzed with a conductivity meter and found their electron conductivities high. When the synthesized compounds were dissolved in acetone, the formation of green fluorescent material could be observed. The fluorescent material can be used as a sensitizer in the environmental sensor manufacturing industry.