Four-Coordinate, Trigonal Pyramidal Pt(II) and Pd(II) Complexes

被引：46

作者：

Tsay, Charlene

Mankad, Neal P.

Peters, Jonas C. ^{[1
]}

机构：

[1] CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2010年 / 132卷 / 40期

关键词：

C-H ACTIVATION; ALKANE COMPLEX; COORDINATION; LIGANDS; METHANE; PALLADIUM(II); PLATINUM(II); OXIDATION; ADDUCTS; BORANE;

D O I：

10.1021/ja105284p

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report herein the characterization of electrophilic, trigonal bipyramidal {[SiP(3)(R)]Pt(L)}(+) cations ([SiP(3)(R)] = [(2-R(2)PC(6)H(4))(3)Si]; R = Ph, (i)Pr) that feature weakly coordinated ligands including CH(2)Cl(2), Et(2)O, toluene, and H(2). A cationic toluene adduct that shows a close platinum aryl C-H sigma-contact is perhaps most noteworthy in this context. For the isopropyl-substituted ligand, [SiP(3)(iPr)], it has proven possible to exclude the fifth axial donor to afford the rigorously four-coordinate, trigonal pyramidal (TP) complex {[SiP(3)(iPr)]Pt}(+). An isostructural TP palladium complex {[SiP(3)(iPr)]Pd}(+) is also accessible. Prototypical four-coordinate d(8) platinum and palladium complexes are square planar. The TP d(8) cations described herein are hence geometrically distinct.

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收藏

页码：13975 / 13977

页数：3

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