Copper‐Impregnated Magnesium‐Lanthanum Mixed Oxide: A Reusable Heterogeneous Catalyst for Allylation of Aldehydes and Ketones,Advanced Synthesis & Catalysis

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Copper‐Impregnated Magnesium‐Lanthanum Mixed Oxide: A Reusable Heterogeneous Catalyst for Allylation of Aldehydes and Ketones
Advanced Synthesis & Catalysis ( IF 4.4 ) Pub Date : 2020-01-30 , DOI: 10.1002/adsc.201901133
Jaya Pogula _{1,

2} , Soumi Laha ₂ , B. Sreedhar ₃ , Pravin R. Likhar ₂

Affiliation

Copper‐impregnated magnesium‐lanthanum mixed oxide [Cu(II)/Mg−La] was used as catalyst in synthesis of homoallylic alcohols from aldehydes and ketones using allyltributylstannane as the allylating source. The present protocol provides a great application potential for the synthesis of corresponding allyl alcohols with excellent yields and selectivity. The catalyst exhibits broad functional group compatibility with a variety of substituted aldehydes and ketones to furnish the desired products in high yields under heterogeneous conditions. Importantly, the heterogeneous catalyst could be recovered from the reaction mixture by centrifugation and used up to three cycles.

中文翻译：

铜浸渍的镁镧混合氧化物：醛和酮烯丙基化的可重复使用的多相催化剂

铜浸渍的镁镧混合氧化物[Cu（II）/ Mg-La]用作催化剂，使用烯丙基三丁基锡烷作为烯丙基化来源，由醛和酮合成均丙醇。本方案为以优异的产率和选择性合成相应的烯丙醇提供了巨大的应用潜力。该催化剂与各种取代的醛和酮具有广泛的官能团相容性，可在非均相条件下以高收率提供所需的产物。重要的是，可以通过离心从反应混合物中回收多相催化剂，并使用多达三个循环。

更新日期：2020-01-31

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