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Zinc Hydride-Catalyzed Hydrofuntionalization of Ketones.
The Journal of Organic Chemistry ( IF 3.3 ) Pub Date : 2020-08-05 , DOI: 10.1021/acs.joc.0c01285
Rajata Kumar Sahoo 1 , Mamata Mahato 1 , Achintya Jana 2 , Sharanappa Nembenna 1
Affiliation  

Three new dimeric bis-guanidinate zinc(II) alkyl, halide, and hydride complexes [LZnEt]2 (1), [LZnI]2 (2) and [LZnH]2 (3) were prepared. Compound 3 was successfully employed for the hydrosilylation and hydroboration of a vast number of ketones. The catalytic performance of 3 in the hydroboration of acetophenone exhibits a turnover frequency, reaching up to 5800 h–1, outperforming that of reported zinc hydride catalysts. Notably, both intra- and intermolecular chemoselective hydrosilylation and hydroboration reactions have been investigated.

中文翻译:

氢化锌催化的酮的加氢功能化。

制备了三种新的二聚双胍盐锌(II)烷基,卤化物和氢化物络合物[LZnEt] 21),[LZnI] 22)和[LZnH] 23)。化合物3已成功地用于大量酮的氢化硅烷化和氢硼化。3在苯乙酮的硼氢化反应中的催化性能表现出高达5800 h –1的周转频率,优于报道的氢化锌催化剂。值得注意的是,已经研究了分子内和分子间化学选择性氢化硅烷化和硼氢化反应。
更新日期:2020-09-05
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