New Advances in Chemical Research, May 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing theoretical assessments of solvent structures and their interactions with reaction intermediates. name: 5,8-Dibromoquinoxaline, We’ll be discussing some of the latest developments in chemical about CAS: 148231-12-3, name is 5,8-Dibromoquinoxaline. In an article，Which mentioned a new discovery about 148231-12-3
The 5,8-pi-extended quinoxaline derivatives are widely studied due to their well-known photophysical and electrochemical properties. In order to investigate the structure-property relationship, a novel series of fluorescent calamitic liquid crystals based on the quinoxaline heterocycle was successfully synthesized and characterized. The final molecules presented calamitic mesomorphism with nematic and smectic phases. These compounds displayed intense green photoluminescence under UV light excitation in solution and in the solid state. In chloroform solution, the fluorescence quantum yields (PhiFL = 0.54?0.62) of the quinoxaline-based derivatives were significantly higher than those previously described for similar benzothiadiazoles. The maximum emission peaks were between 511 and 520 nm with singlet excited-state lifetimes in the nanosecond timescale. The solvatochromism studies showed a significant dependence of the emission on the polarity of the solvent. Doping of the quinoxalines with fullerene C60 suggests a charge transfer process, this being dependent on the pi-conjugate core. The energy band gaps predicted with DFT calculations are in excellent agreement with the experimental data.
Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.name: 5,8-Dibromoquinoxaline, you can also check out more blogs about148231-12-3
Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2021 | ChemSpider