本研究用2-甲基 The study uses 2-methylpyridine and double sides dibromide compounds as initial reactants to proceed nucleophilic addition reaction. In order to synthesize single or double sides pridinium bromide cyanine dyes condense with benzaldehyde compounds to extend the conjugated double bond system using with alcohols as solvents and piperidine as a catalyst after single or double sides pridinium bromide compounds are produced.The sudy confers the property of different compounds to rely on melt point, ultraviolet-visible and infrared spectra also discuss dendrimer compounds with it’s reaction conditions.
