Synthesis and structure of orthopalladated complexes derived from prochiral iminophosphoranes and phosphorus ylides

被引：36

作者：

Aguilar, David ^{[1
]}

Aragues, Miguel Angel ^{[1
]}

Bielsa, Raquel ^{[1
]}

Serranoa, Elena ^{[1
]}

Soler, Tatiana ^{[2
]}

Navarro, Rafael ^{[1
]}

Urriolabeitia, Esteban P. ^{[1
]}

机构：

[1] Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, Dept Compeuestos Organomet, E-50009 Zaragoza, Spain

[2] Fac Ciencias Fase 2, Serv Tecn Invest, Alicante, Spain

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2008年 / 693卷 / 03期

关键词：

cyclometallated; CH-bond activation; iminophosphoranes; phosphorus ylides; palladium;

D O I：

10.1016/j.jorganchem.2007.11.012

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The iminophosphorane Ph2MeP=NPh (1) reacts with Pd(OAc)(2) to give the orthopalladated [Pd(mu-Cl) (C6H4(PPh(Me)=NPh-kappa-C,N)(2)}](2) (2) as the racemic mixture, which reacts with Tl(acac) to give [Pd(acac) [C6H4(PPh(Me)=NPh-kappa-C,N)-2}] (3). The X-ray structure of (3) has been determined by diffraction methods. The phosphorus ylide Ph2MeP=CHC(O)Ph (5) reacts with Pd(OAC)(2) to give the dinuclear [Pd(mu-Cl){C6H4(PPh(Me)CHC(O)Ph-kappa-C,C)-2)](2) (6) as a mixture of isomers. Complex (6) reacts with Tl(acac), PPh3 or AgClO4/ dppe giving the mononuclear derivatives [Pd(acac){C6H4(PPh(Me)CHC(O)Ph-kappa-C,C)-2}] (7), [PdCl{C6H4(PPh(Me)CHC(O)Ph-kappa-C,C)2)PPh3](8) and [Pd{C6H4(PPh(Me)CHC(O)Ph-kappa-C,C)-2}(dppe-P,P')](ClO4) (9), as mixtures of stereoisomers with high diastereomeric excess. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：417 / 424

页数：8

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