有机硼化合物
化学
螯合作用
单线态氧
硼
戒指(化学)
光敏剂
光化学
组合化学
有机化学
氧气
作者
Jie Yang,Lizhi Gai,Xiaoyang Chen,Yanfei Liu,Shengmei Wu,Jiao Feng,Xinbing Sui,Hua Lü
标识
DOI:10.1021/acs.joc.2c00269
摘要
Organoboron complexes have gained considerable attention owing to their versatile chemical structures and excellent optical properties. Nevertheless, stable seven-membered organoboron complexes have rarely been reported because of their challenging synthesis. Herein, seven-membered N,O-boron-chelated dyes, whose photophysical properties have been thoroughly studied via spectroscopic tests and theoretical calculations, were synthesized from commercially available materials via a facile method. Single-crystal X-ray diffraction studies provided evidence of their seven-membered ring N,O-boron-chelated skeleton. These complexes produced singlet oxygen species under laser irradiation, endowing them with potential application as a photosensitizer to treat superficial tumors (B16 cells). Our study provided a new skeleton to construct versatile organoboron compounds and offered a strategy to design heavy-atom-free photosensitizers.
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