Xu, Xiushang published the artcileSynthesis and characterization of dibenzo[hi,st]ovalene as a highly fluorescent polycyclic aromatic hydrocarbon and its π-extension to circumpyrene, Formula: C8H5F3O3, the publication is Yuki Gosei Kagaku Kyokaishi (2020), 78(11), 1094-1104, database is CAplus.
This account described the synthetic approaches to dibenzo[hi,st]ovalene (DBOV) as a novel PAH with a combination of armchair and zigzag edges and the elucidation of its unique optoelectronic and photophys. properties, such as strong red emission with a fluorescence quantum yield of up to 0.89 and stimulated emission. Furthermore, DBOV demonstrated the so-called fluorescence blinking that enables its application as a fluorophore in single-mol. localization microscopy, which is one of the modern superresoln. fluorescence microscopy methods. The self-assembly of a DBOV derivative bearing two 3,4,5-tris(dodecyloxy)phenyl groups was also investigated, showing the formation of helical columnar stacks. On the other hand, the regioselective bromination of DBOV was achieved, allowing the postsynthetic functionalization and modulation of the optoelectronic properties. Moreover, π-extension of the DBOV at the bay regions led to circumpyrene, the largest circumarene synthesized to date.
Yuki Gosei Kagaku Kyokaishi published new progress about 328-90-5. 328-90-5 belongs to alcohols-buliding-blocks, auxiliary class Trifluoromethyl,Fluoride,Carboxylic acid,Benzene,Phenol, name is 2-Hydroxy-4-(trifluoromethyl)benzoic acid, and the molecular formula is C6H5NO, Formula: C8H5F3O3.
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