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Photoinduced Regioselective Chalcogenation and Thiocyanation of 4H-Pyrido[1,2-a] pyrimidin-4-ones Under Benign Conditions
European Journal of Organic Chemistry ( IF 2.5 ) Pub Date : 2023-07-10 , DOI: 10.1002/ejoc.202300665
Abhinay S. Chillal 1 , Rajesh T. Bhawale 1 , Umesh A. Kshirsagar 2
Affiliation  

A mild approach for regioselective C3−H chalcogenation and thiocyanation of 4H-pyrido[1,2-a] pyrimidin-4-ones is developed using visible light photo-catalysis. This operationally straightforward method furnishes a broad array of C-3, Ar−S/Ar−Se and -SCN functionalized derivatives in moderate to high yields using visible light as an environment friendly energy source.

中文翻译:

良性条件下 4H-吡啶并[1,2-a]嘧啶-4-酮的光诱导区域选择性硫属化和硫氰化

使用可见光光催化开发了一种温和的方法,用于 4 H-吡啶并[1,2- a ]嘧啶-4-酮的区域选择性 C3−H 硫属化和硫氰化。这种操作简单的方法使用可见光作为环境友好的能源,以中等到高产率提供了广泛的 C-3、Ar−S/Ar−Se 和 -SCN 官能化衍生物。
更新日期:2023-07-10
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