Contrasting reactivity of B-Cl and B-H bonds at [Ni(IMes)2] to form unsupported Ni-boryls

被引:0
作者
Audsley, Gabrielle [1 ]
Carpentier, Ambre [2 ]
Pecharman, Anne-Frederique [3 ]
Wright, James [1 ]
Roseveare, Thomas M. [4 ]
Clark, Ewan R. [5 ]
Macgregor, Stuart A. [2 ]
Riddlestone, Ian M. [1 ]
机构
[1] Univ Surrey, Sch Chem & Chem Engn, Guildford GU2 7XH, England
[2] Heriot Watt Univ, Inst Chem Sci, Edinburgh EH14 4AS, Scotland
[3] Univ Bath, Dept Chem, Bath BA2 7AY, England
[4] Univ Sheffield, Dept Chem, Sheffield S3 7HF, England
[5] Univ Kent, Sch Phys Sci, Canterbury CT2 7NH, England
关键词
D O I
10.1039/d3cc05369e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
[Ni(IMes)(2)] reacts with chloroboranes via oxidative addition to form rare unsupported Ni-boryls. In contrast, the oxidative addition of hydridoboranes is not observed and products from competing reaction pathways are identified. Computational studies relate these differences to the mechanism of oxidative addition: B-Cl activation proceeds via nucleophilic displacement of Cl-, while B-H activation would entail high energy concerted bond cleavage.
引用
收藏
页码:874 / 877
页数:4
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