In 2022,Rapp, Mario R.; Leis, Wolfgang; Zinna, Francesco; Di Bari, Lorenzo; Arnold, Tamara; Speiser, Bernd; Seitz, Michael; Bettinger, Holger F. published an article in Chemistry – A European Journal. The title of the article was 《Bright Luminescence by Combining Chiral [2.2]Paracyclophane with a Boron-Nitrogen-Doped Polyaromatic Hydrocarbon Building Block》.Name: 2-Hydroxyphenylboronic acid The author mentioned the following in the article:
Novel BN-doped compounds based on chiral, tetrasubstituted [2.2]paracyclophane and NBN-benzo[f,g]tetracene were synthesized by Sonogashira-Hagihara coupling. Conjugated ethynyl linkers allow electronic communication between the π-electron systems through-bond, whereas through-space interactions are provided by strong π-π overlap between the pairs of NBN-building blocks. Excellent optical and chiroptical properties in racemic and enantiopure conditions were measured, with molar absorptivities up to ε=2.04 × 105 M-1 cm-1, fluorescence quantum yields up to ΦPL = 0.70, and intense, mirror-image electronic CD and circularly polarized luminescence signals of the magnitude of 10-3 for the absorption and luminescence dissymmetry factors. Computed glum,calculated values match the exptl. ones. Electroanal. data show both oxidation and reduction of the ethynyl-linked tetra-NBN-substituted paracyclophane, with an overlap of 2 redox processes for oxidation leading to a diradical dication. In the experiment, the researchers used many compounds, for example, 2-Hydroxyphenylboronic acid(cas: 89466-08-0Name: 2-Hydroxyphenylboronic acid)
2-Hydroxyphenylboronic acid(cas: 89466-08-0) belongs to acyl phenylboronic acid. Phenylboronic acid (PBA) has been used to extract β-blockers (a class of aminoalcohol-containing drugs) from aqueous solution, rat, and human plasma. Name: 2-Hydroxyphenylboronic acid
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