Catalytic applications of small bite-angle diphosphorus ligands with single-atom linkers.
Catalytic applications of small bite-angle diphosphorus ligands with single-atom linkers.
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具有单原子连接体的小咬角二磷配体的催化应用。
DOI：
10.1039/c7dt03395h
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发表时间：
2017
期刊：
影响因子：
--
通讯作者：
Mansell SM
中科院分区：
文献类型：
--
作者：
Mansell SM
通过单个原子连接的二磷配体（R2 PEPR 2; E = CR2、CCR 2和NR）提供具有非常小的咬角（对于dppm，自然咬角为72°）的螯合配体，并且能够获得其他性质，例如桥接模式和半稳定性。在过去的二十年里，它们在催化中的应用一直在增长，因为研究人员试图将小咬角配体的特性应用于大量的催化反应，通常补充了宽咬角配体在催化中的成熟应用。本文综述了具有单原子连接体的二磷配体的性质及其在烯烃催化转化中的应用，包括选择性乙烯齐聚、乙烯聚合和与CO的共聚、加氢酰化和氢化，以及它们在转移氢化和氢借用反应中的应用。
Diphosphorus ligands connected by a single atom (R2PEPR2; E = CR2, CCR2 and NR) give chelating ligands with very small bite-angles (natural bite-angle of 72° for dppm) as well as enable access to other properties such as bridging modes and hemilability. Their use in catalysis has been growing over the last two decades as researchers have sought to apply the properties of small bite-angle ligands to a wide number of catalytic reactions, often complementing the well-established applications of wide bite-angle ligands in catalysis. This Perspective reviews the properties of diphosphorus ligands featuring a single-atom linker and their use in several catalytic transformations of alkenes, including selective ethene oligomerisation, ethene polymerisation and co-polymerisation with CO, hydroacylation and hydrogenation, as well as their use in transfer hydrogenation and hydrogen-borrowing reactions.
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