ãPalladium-Catalyzed Addition/Cyclization of (2-Hydroxyaryl)boronic Acids with Alkynylphosphonates: Access to Phosphacoumarinsã?was written by Ma, Dumei; Hu, Shanshan; Chen, Sirui; Pan, Jiaoting; Tu, Song; Yin, Yingwu; Gao, Yuxing; Zhao, Yufen. Quality Control of 2-Hydroxyphenylboronic acid And the article was included in Organic Letters in 2020. The article conveys some information:
A facile Pd-catalyzed addition/cyclization of (2-hydroxyaryl)boronic acids with alkynylphosphonates was developed, providing an effective strategy to construct valuable phosphacoumarins. This methodol. features excellent regioselectivity and broad substrate tolerance. The experimental part of the paper was very detailed, including the reaction process of 2-Hydroxyphenylboronic acid(cas: 89466-08-0Quality Control of 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. Quality Control of 2-Hydroxyphenylboronic acid
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