Zeolites catalyze the halogen exchange reaction of alkyl halides

Mingueza-Verdejo Paloma; Hernández-Garrido Juan Carlos; Vidal-Moya AlejandroOliver-Meseguer JuditLeyva-Pérez Antonio

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Zeolites catalyze the halogen exchange reaction of alkyl halides

机译：沸石催化烷基卤化物的卤素交换反应

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Simple aluminosilicates, including NaX and NaY zeolites, catalyze the selective halogen exchange reaction between two different alkyl organohalides, either in batch or in flow, without any additive or solvent, by simply heating at 130 °C and with <5 wt% of solid catalyst. The reaction protocol tolerates different functional groups and gives two new organohalides in good yields. Mechanistic studies unveil the key role of the zeolite oxygen atoms and countercations, to trigger the heterolytic scission of the R–X bond and generate intermediate alkoxy and halide species, respectively, which recombine within the zeolite framework. These results open a new way to synthesize organohalides with simple solid catalysts and expand the use of aluminosilicates in organic synthesis.

机译：简单的铝硅酸盐,包括NaX和不沸石催化选择性卤素交换反应在两个不同的烷基organohalides,在批处理或流,没有任何添加剂或溶剂,通过简单地加热在130°C和< 5 wt %的固体催化剂。不同的官能团和给出了两个新的organohalides收益良好。公布沸石氧原子的关键作用和countercations触发异种溶解的断开的r×债券并生成中间卤化烷氧基和物种,在沸石分别,重组框架。合成organohalides简单的固体催化剂和扩大使用硅酸铝在有机合成。

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来源
《Catalysis science & technology》 |2023年第8期|2308-2316|共9页
作者
Mingueza-Verdejo Paloma; Hernández-Garrido Juan Carlos; Vidal-Moya AlejandroOliver-Meseguer JuditLeyva-Pérez Antonio;
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Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas;

Universidad de Cádiz;

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正文语种英语
中图分类物理化学（理论化学）、化学物理学;
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Zeolites catalyze the halogen exchange reaction of alkyl halides

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