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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Keggin type mono Ni(ii)-substituted phosphomolybdate: A sustainable, homogeneous and reusable catalyst for Suzuki-Miyaura cross-coupling
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Keggin type mono Ni(ii)-substituted phosphomolybdate: A sustainable, homogeneous and reusable catalyst for Suzuki-Miyaura cross-coupling

机译:Keggin型单Ni(ii)取代的磷钼酸盐:铃木-宫浦交叉偶联的可持续,均质和可重复使用的催化剂

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摘要

Keggin type mono Ni(ii)-substituted phosphomolybdate was synthesized and characterized by various physico-chemical techniques and used as a catalyst for Suzuki-Miyaura cross-coupling. The influence of different reaction parameters was studied, to get the maximum yield. The novelty of the present work lies in obtaining >97% yield of biphenyl in 14 h under mild reaction conditions. Although the present catalyst is homogeneous, it was regenerated and reused up to two cycles. Results demonstrated that the catalyst was effective and sustainable for cross-coupling of various halobenzenes with phenylboronic acid in aqueous medium.
机译:合成了Keggin型单Ni(ii)取代的磷钼酸盐,并通过各种物理化学技术对其进行了表征,并将其用作Suzuki-Miyaura交叉偶联的催化剂。研究了不同反应参数的影响,以获得最大的收率。本研究的新颖之处在于在温和的反应条件下,在14小时内可获得> 97%的联苯收率。尽管本发明的催化剂是均相的,但将其再生并重复使用多达两个循环。结果表明,该催化剂对于水性介质中各种卤代苯与苯基硼酸的交叉偶联是有效且可持续的。

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