Dehydrogenative B-H/C(sp3)-H Benzylic Borylation within the Coordination Sphere of Platinum(II)

被引：14

作者：

Kelly, Colin M. ^{[1
]}

Fuller, Jack T., III ^{[2
]}

Macaulay, Casper M. ^{[1
]}

McDonald, Robert ^{[3
]}

Ferguson, Michael J. ^{[3
]}

Bischof, Steven M. ^{[4
]}

Sydora, Orson L. ^{[4
]}

Ess, Daniel H. ^{[2
]}

Stradiotto, Mark ^{[1
]}

Turculet, Laura ^{[1
]}

机构：

[1] Dalhousie Univ, Dept Chem, Halifax, NS B3H 4R2, Canada

[2] Brigham Young Univ, Dept Chem & Biochem, Provo, UT 84602 USA

[3] Univ Alberta, Dept Chem, X Ray Crystallog Lab, Edmonton, AB T6G 2G2, Canada

[4] Chevron Phillips Chem Co LP, Res & Technol, 1862 Kingwood Dr, Kingwood, TX 77339 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2017年 / 56卷 / 22期

基金：

加拿大自然科学与工程研究理事会;

关键词：

C-H borylation; coordination chemistry; DFT calculations; platinum; C-H BONDS; IRIDIUM-CATALYZED BORYLATION; BASIS-SETS; B-H; COMPLEXES; REACTIVITY; FUNCTIONALIZATION; ACTIVATION; RHODIUM; HETEROARENES;

D O I：

10.1002/anie.201700857

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The first examples of stoichiometric dehydrogenative B-H/C(sp(3))-H benzylic borylation reactions, which are of relevance to catalytic methylarene (di)borylation, are reported. These unusual transformations involving a (kappa(2)-P,N)Pt(eta(3)-benzyl) complex, and either pinacolborane or catecholborane, proceed cleanly at room temperature. Density functional calculations suggest that borylation occurs via successive sigma-bond metathesis steps, whereby a Pt-II-H intermediate engages in C(sp(3))-H bond activation-induced dehydrogenation.

引用

页码：6312 / 6316

页数：5

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