Spectroscopic and solid state characterization of bimetallic terdentate [C,N,S] thiosemicarbazone Palladium(II) metallacycles with bridging and chelating [P,P] diphosphine ligands

被引：5

作者：

Antelo, Jose M. ^{[1
]}

Adrio, Luis ^{[1
]}

Bermudez, Brais ^{[1
]}

Martinez, Javier ^{[1
]}

Teresa Pereira, Ma ^{[1
]}

Ortigueira, Juan M. ^{[1
]}

Lopez-Torres, Margarita ^{[2
]}

Vila, Jose M. ^{[1
]}

机构：

[1] Univ Santiago de Compostela, Dept Quim Inorgan, Santiago De Compostela 15782, Spain

[2] Univ A Coruna, Dept Quim Fundamental, La Coruna 15071, Spain

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2013年 / 740卷

关键词：

Palladium; Metallacycle; Phosphine; Bimetallics; Crystal structure; PD-C BOND; CYCLOMETALATED COMPLEXES; MOLECULAR-STRUCTURES; CYCLOPALLADATED COMPLEXES; METALATION REACTIONS; CATALYST PRECURSORS; CRYSTAL; PD(II); PALLADACYCLES; RING;

D O I：

10.1016/j.jorganchem.2013.04.036

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Bimetallic cyclometallated palladium(II) complexes readily react with silver perchlorate and tertiary diphosphines to give dipalladium compounds with terdentate [C,N,S] thiosemicarbazones, and with bridging and chelating [P, P] ligands, of the type [Pd(Ph2PCH2PPh2-P, P){Pd[4-MeOC6H3C(Me) = NN = C(S) NHMe] (Ph2PCH2PPh2)-P,S}] [ClO4](2),1a. The crystal structures of complexes [PdCl2{Pd[(2)-MeOC6H3C(Me) = NN = C(S) NHMe](Ph2PC(CH2)(2)PPh2)-P, S}] and [Pd(Ph2PCH2PPh2-P, P){Pd[3-MeOC6H3C(Me) = NN = C(S) NHMe] (Ph2PC(CH2)(2)P-Ph-2)-P,S}]-[ClO4](2), 6 and 4a, respectively, are the first reported examples of palladacycles with the diphosphine Ph2PC(CH2)(2)PPh2, bis(diphenylphosphine) cyclopropane (dcpc), in the bridging mode. The short-bite diphosphines produce strained four-membered rings at the metal; the structures for 1a and 4a show the P-C-P carbon atom puckered away from the metal coordination plane. (C) 2013 Elsevier B. V. All rights reserved.

引用

页码：83 / 91

页数：9

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