se -芳基- n -苯基苯硒肼盐：含有光敏剂单元的芳基自由基前体

IF 4.2 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications Pub Date : 2025-08-06 DOI:10.1039/d5cc03637b

Takuma Kurokawa, Shintaro Takahashi, Naokazu Kano

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引用次数: 0

摘要

采用光敏剂合成了se -芳基- n -苯基苯硒鎓盐。在蓝光照射下，它们作为芳基自由基前体，生成芳基膦酸盐、苯酚和苯硼酯。用光谱方法研究了反应机理，表明芳基自由基的形成是通过分子内电荷转移和分子间光氧化还原循环进行的。

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Se-Aryl-N-phenylphenoselenazinium Salts: Aryl Radical Precursors Incorporating a Photosensitizer Unit

Se-Aryl-N-phenylphenoselenazinium salts were synthesized as triarylselenonium salts incorporating a photosensitizer unit. Under blue-light irradiation, these served as aryl radical precursors, yielding arylphosphonates, phenol, and phenylboronic ester. The reaction mechanism was investigated by spectroscopic methods, which suggests that the aryl radical formation proceeds through intramolecular charge transfer and intermolecular photoredox cycles.

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来源期刊

Chemical Communications 化学-化学综合

CiteScore

8.60

自引率

4.10%

发文量

2705

审稿时长

1.4 months

期刊介绍： ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.