Recently I am researching about MICROWAVE-ASSISTED POLYCONDENSATION; LIGHT-EMITTING-DIODES; ELECTROLUMINESCENCE; OXIDATION; PURE, Saw an article supported by the . Published in AMER CHEMICAL SOC in WASHINGTON ,Authors: Kodama, S; Kuwabara, J; Jiang, X; Fukushima, I; Kanbara, T. The CAS is 92-86-4. Through research, I have a further understanding and discovery of 4,4′-Dibromobiphenyl. Recommanded Product: 4,4′-Dibromobiphenyl
Poly(arylamine)s were synthesized by poly-condensation of 4-n-octylaniline with 4,4′-dibromobiphenyl using the Buchwald-Hartwig aryl amination. Both the NH and the Br end groups were properly modified upon addition of an end-capping reagent in an appropriate ratio. The synthesized polymers contained many impurities, such as Pd, Br, and Cl, which decrease organic light-emitting diode performance. An investigation to reduce the impurities in the polymer showed that the purification solvent plays the key role in reducing the concentration of impurities in the polymer; purification with a nonchlorinated solvent, anisole, provided a highly pure poly(arylamine) even with a simple purification procedure. Moreover, the highly purified polymer material improved carrier mobility in hole-only devices.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem