化学
曙红Y
产量(工程)
催化作用
原子经济
光化学
可见光谱
偶联反应
光催化
质谱法
组合化学
光催化
有机化学
色谱法
光电子学
冶金
材料科学
作者
Bhawana Nagar,Basab Bijayi Dhar
标识
DOI:10.1021/acs.joc.1c02924
摘要
In the presence of eosin Y, a visible light-induced one-step procedure (isolated yield of ≥75%) for thiolation of substituted 1,4-naphthoquinones using various aromatic and aliphatic thiols at room temperature is described herein. The rate-determining step of the reaction is thiyl radical generation, and the radical was characterized by high-resolution mass spectrometry. Cost effectiveness, operational simplicity, a short reaction time, high atom economy, and a very good yield make this photoredox-mediated process a useful alternative to the transition metal (e.g., Cu, Ag, and Pd)-catalyzed coupling reaction of quinones with thiols or disulfides.
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