1,2,5,6,9-Pentaazacoronenes (PACs) and π-Extended PAC Derivatives: Synthesis, Crystal Structure, and Optical and Redox Properties
作者:Yixun Sun、Tian Yang、Chong Chen、Bo Yang、Yihui Yang、Jing Li、Huaming Sun、Junfa Wei
DOI:10.1021/acs.orglett.1c01574
日期:2021.8.6
novel class of 1,2,5,6,9-pentaazacoronene (PAC, 1) derivatives and π-extended PAC derivatives, chromeno[2,3,4-ij]pentaazacoronenes (CPACs, 2), has been successfully synthesized on the basis of intramolecular diazo-coupling reaction and Pictet–Spengler cyclization. Single-crystal analysis demonstrates that 1o (R1 = H) displays a herringbone packing motif while 1s (R1 = C3F7) packs into an S-shaped arrangement
一类新的 1,2,5,6,9-五氮杂可酮 (PAC, 1 ) 衍生物和 π 延伸的 PAC 衍生物,chromeno [ 2,3,4 - ij ]pentaazacoronenes (CPACs, 2 ),已成功合成在分子内重氮偶联反应和 Pictet-Spengler 环化的基础。单晶分析表明,1o (R 1 = H) 显示人字形堆积基序,而1s (R 1 = C 3 F 7) 包装成 S 形排列。光物理和电化学研究表明,新的 PAC 系统表现出明显的红移吸收和发射能力、更大的斯托克斯位移和更窄的 HOMO-LUMO 能隙。