铑
化学
废止
催化作用
荧光
组合化学
广谱
有机化学
物理
量子力学
作者
Qi‐Liang Yang,Ying Liu,Yi-Rui Luo,Zhi-Hao Li,Hongwei Jia,Yabo Fu,Gui‐Rong Qu,Hai‐Ming Guo
出处
期刊:Organic Letters
[American Chemical Society]
日期:2022-06-06
卷期号:24 (23): 4234-4239
被引量:4
标识
DOI:10.1021/acs.orglett.2c01546
摘要
Described herein is an efficient strategy for assembling a new library of functionalized polycyclic purinium salts with a wide range of anions through RhIII-catalyzed C-H activation/annulation of 6-arylpurine nucleosides with alkynes under mild reaction conditions. The resulting products displayed tunable photoluminescence covering most of the visible spectrum. Mechanistic insights delineated the rhodium catalyst's mode of action. A purinoisoquinolinium-coordinated rhodium(I) sandwich complex was well characterized and identified as the key intermediate.
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