Synthesis and Optical Properties of Polyaryl 2-(Pyridin-2-yl)phenol-Based Four-Coordinate Organoboron Complexes

查看全文 作　　者：Xiang [1]Liu;Jinlei [1]Zhou;Huitao [1]Zheng;Jiali [1]Liu;Zhihao [1]Liu;Linying [1]Ni;Xiangxi [1]Kong;Chen [1]Zhang;Hua [1]Cao 机构地区：[1]School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering&Technology Research Center,Guangdong Pharmaceutical University,Zhongshan,Guangdong,528458 China 出　　处：《Chinese Journal of Chemistry》索引2023年第41卷第8期,共7页 基　　金：supported by the Science and Technology Innovation Project of Guangdong Drug Administration(2021TDB36,2021ZDB14);Special Fund for Scientific and Technological Innovation Strategy of Guangdong Province(pdjh2023b0281). 摘　　要：Comprehensive Summary A family of polyaryl 2-(pyridin-2-yl)phenol-based four-coordinate organoboron complexes were prepared in good yields via deconstructive cycloaromatization of indolizines,cyclopropenones,and boric acids.The photoluminescence measurements have revealed that these N,Oπ-conjugated tetracoordinate boron complexes display bright fluorescence,large Stokes shifts,and good quantum yields(Φlum=0.15-0.45).In addition,the DFT calculations were carried out to deepen the understanding of the electronic structures and optoelectronic properties of these structurally unprecedented tetracoordinate boron complexes. 关 键 词：N,O-Bidentate INDOLIZINES Organoboron complexes Cyclopropenones C-N activation N-HETEROCYCLES Cycloaddition