Electro-Oxidative C3-Selenylation of Pyrido[1,2-a]pyrimidin-4-ones. 2023

Jianwei Shi, and Zhichuan Wang, and Xiaoxu Teng, and Bing Zhang, and Kai Sun, and Xin Wang
School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100, China.

In this work, we achieved a C3-selenylation of pyrido[1,2-a]pyrimidin-4-ones using an electrochemically driven external oxidant-free strategy. Various structurally diverse seleno-substituted N-heterocycles were obtained in moderate to excellent yields. Through radical trapping experiments, GC-MS analysis and cyclic voltammetry study, a plausible mechanism for this selenylation was proposed.

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