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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >SCS-pincer palladium-catalyzed auto-tandem catalysis using dendritic catalysts in semi-permeable compartments
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SCS-pincer palladium-catalyzed auto-tandem catalysis using dendritic catalysts in semi-permeable compartments

机译:使用半渗透性隔室中的树枝状催化剂的SCS-pincer钯钯自动串联催化

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摘要

Novel monometallic and dendritic SCS-pincer palladium complexes 2, 3 and 4 have been synthesized in good yields (60-89%) and high purity (palladium loading >97%). These complexes were successfully used as catalysts in the stannylation of cinnamyl chloride with hexamethylditin and in the catalytic auto-tandem reaction consisting of this stannylation followed by an electrophilic addition with 4-nitrobenzaldehyde, showing similar reaction rates and selectivities for all complexes. Dendritic complex 4 has furthermore been used in the compartmentalized catalysis of single and auto-tandem reactions, allowing catalyst reuse for four consecutive runs.
机译:新型单金属和树枝状SCS-pincer钯配合物2、3和4已以高收率(60-89%)和高纯度(钯载量> 97%)合成。这些配合物已成功地用作肉桂酰氯与六甲基二锡的甲锡化反应的催化剂,以及由这种甲锡化反应与4-硝基苯甲醛进行亲电加成反应组成的催化自动串联反应的催化剂,对所有配合物显示出相似的反应速率和选择性。此外,树枝状复合物4已用于单反应和自动串联反应的区室催化中,使催化剂可重复使用四次。

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