| Abstract [eng] |
Organic substances whose molecules are made up of the π-conjugated electronic systems, currently attract a lot of attention because of their application in various electronic and optoelektronic devices. New materials are being developed and found searching more efficient organic photosemiconductors and emitters, It was identyfied that 6-aryl-4-chloropyrimidines, 4-dichloropyrimidines with a wide range of alternatives, 2nd, or/and 5th position of the pyrimidine ring, Suzuki crossover reaction formed mono-and diarylpyrimidines. Catalytic system Pd(PPh3)2Cl2/K3PO4 in dioxane is suitable 2,4-diaryl-6-methylpyrimidines, 2-aryl-4,6-dimethylpyrimidines, 4,6-bis {(E)-2-[6-arylpyridin-3-yl] vinyl}-2-modified pyrimidines synthesis, from the corresponding 2-aryl-4-chloro-6-methylpyrimidines, 2-chloro-4-dimethylpyrimidine and 4,6-di {(E)-2-[6-bromopyridin-3-yl] vinyl} pyrimidines crossover reaction with arilborono acids. 2,4-Diaryl-6-methylpyrimidines with different or equal arylgroups in 2nd-and 4th-positions of the synthesis of the pyrimidine ring, drawn using the catalitic system - Pd(OAc)2/(2-bifenil)Cy2P/K3PO4. Izomeric, 2,4-diaryl-6-methylpyrimidines were. synthesized. It was identified that the synthesized pyrimidines with various aromatic fragments, in 2nd, 4th and 6th positions of the heterocycle ring were characterized by UV-PL properties. Depending on the nature of arylgroups of the investigated compounds and emission maxima in THF solutions is in 369-575 nm range, of quantum capacities were ranging from 3.5% to 85%. |
