Affiliation:
1. School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center Guangdong Pharmaceutical University Zhongshan Guangdong 528458 China
2. School of Pharmaceutical Sciences Sun Yat‐Sen University Guangzhou Guangdong 510006 China
Abstract
Comprehensive SummaryA 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,O π‐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.