Visible-Light-Promoted Arylation Reactions Photocatalyzed by Bismuth(III) Oxide,European Journal of Organic Chemistry

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Visible-Light-Promoted Arylation Reactions Photocatalyzed by Bismuth(III) Oxide
European Journal of Organic Chemistry ( IF 2.5 ) Pub Date : 2017-10-23 01:01:21 , DOI: 10.1002/ejoc.201701242
Laura Buglioni ₁ , Paola Riente ₁ , Emilio Palomares _{1,

2} , Miquel A. Pericàs _{1,

3}

Affiliation

Cheap, nontoxic Bi₂O₃ absorbs light in the visible region. It catalyzes the formation of aryl radicals when irradiated by visible light. In contrast to semiconductors like TiO₂, Bi₂O₃ allows low catalyst loadings (1 to 5 mol-%), even on 10 mmol scale. Arylations with Bi₂O₃ are chemoselective, allow in situ preparation of the starting diazonium salt, and give the products in moderate to good yields.

中文翻译：

氧化铋（III）催化可见光促进的芳构化反应

廉价，无毒的Bi ₂ O ₃吸收可见光。当可见光照射时，它催化芳基的形成。与诸如TiO _2的半导体相反，Bi ₂ O ₃甚至在10 mmol规模下也允许低的催化剂负载量（1-5 mol％）。与Bi ₂ O _3的芳基化具有化学选择性，可以原位制备起始重氮盐，并以中等至良好的收率得到产物。

更新日期：2017-10-23

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