Why do silanes reduce electron-rich phosphine oxides faster than electron-poor phosphine oxides?

被引：23

作者：

Kirk, Alicia M. ^{[1
]}

O'Brien, Christopher J. ^{[2
]}

Krenske, Elizabeth H. ^{[1
]}

机构：

[1] Univ Queensland, Sch Chem & Mol Biosci, St Lucia, Qld 4072, Australia

[2] ChemTank Ltd, Runcorn WA7 2QH, Cheshire, England

来源：

CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 08期

关键词：

Phosphorus compounds;

D O I：

10.1039/c9cc08718d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Organophosphine-mediated reactions that generate P=O-bonded byproducts can be transformed into catalytic processes by reducing the R3P=O byproduct back to PR3 in situ with a silane. DFT calculations explain why the most readily reduced phosphine oxides are those incorporating electron-rich (e.g. alkyl) substituents rather than electron-deficient (e.g. aryl) substituents.

引用

页码：1227 / 1230

页数：4

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