Pyrene boronic acid cyclic ester: a new fast self-recovering mechanoluminescent material at room temperature
作者:Taisheng Wang、Na Zhang、Ke Zhang、Jingwen Dai、Wei Bai、Ruke Bai
DOI:10.1039/c6cc03248f
日期:——
Two pyrene boronic acid cyclic esters, PPB and NPB, were prepared and their solid state fluorescent properties were investigated. Interestingly, the results showed that PPB with 5-membered ring possesses reversibly...
Atropo‐Enantioselective Oxidation‐Enabled Iridium(III)‐Catalyzed C−H Arylations with Aryl Boronic Esters
作者:Łukasz Woźniak、Nicolai Cramer
DOI:10.1002/anie.202106403
日期:2021.8.16
Atropo-enantioselective biaryl coupling through C−H bond functionalization is an emerging technology allowing direct construction of axiallychiral molecules. This approach is largely limited to electrophilic coupling partners. We report a highly atropo-enantioselectiveC−Harylation of tetralone derivatives paired with aryl boronic esters as nucleophilic components. The transformation is catalyzed