The novel organic salt 7-((5-bromo-1H-indol-3-yl)(4-methoxyphenyl)methyl)1,3,5-triaza-7-phosphaadamantan-7-ium tetrafluoroborate was synthesized from a Lewis acid (LA) and Lewis-base (LB) reaction between 1,3,5-triaza-7-phosphaadmantane 5-bromo-3-(4-methoxybenzylidene)-3-H-indol-1-ium (LA). obtained base adduct, being the title compound, analyzed validated by 1H, 13C, 31P, 19F 1D-NMR-spectrosco...