Alkynyl derivatives of gold complexes containing C6H3-5-Me-2-EPh2 (E = P, As) ligands

Bhargava, S, Kitadai, K, Mirzadeh, N, Priver, S, Takahashi, M and Wagler, J 2010, 'Alkynyl derivatives of gold complexes containing C6H3-5-Me-2-EPh2 (E = P, As) ligands', Journal of Organometallic Chemistry, vol. 695, no. 14, pp. 1787-1793.


Document type: Journal Article
Collection: Journal Articles

Title Alkynyl derivatives of gold complexes containing C6H3-5-Me-2-EPh2 (E = P, As) ligands
Author(s) Bhargava, S
Kitadai, K
Mirzadeh, N
Priver, S
Takahashi, M
Wagler, J
Year 2010
Journal name Journal of Organometallic Chemistry
Volume number 695
Issue number 14
Start page 1787
End page 1793
Total pages 7
Publisher Elsevier S.A.
Abstract [Au2Cl2{μ-2,2′-Ph2As(5,5′-Me2C6H3C6H3)AsPh2}] reacts with phenylacetylene or ethynylferrocene to give the corresponding digold(I) bis(alkynyl) derivatives [Au2(CCR)2{μ-2,2′-Ph2As(5,5′-Me2C6H3C6H3)AsPh2}] [R = Ph (4), Fc (5)]. In contrast, products resulting from the reaction with 1,3- or 1,4-diethynylbenzene (deb) depend markedly on the dichlorodigold(I) complex to ligand ratio. When an excess of alkyne is used, the expected bis(alkynyl) complexes [Au2X2{μ-2,2′-Ph2As(5,5′-Me2C6H3C6H3)AsPh2}] [X = 1,3-deb (6), 1,4-deb (7)] are obtained, but when using a 1:1 molar ratio poorly soluble, presumably polymeric, species are formed. Attempts to prepare a digold(II) bis(alkynyl) derivative by treatment of [Au2Cl2(μ-C6H3-5-Me-2-PPh2)2] with ethynylferrocene in the presence of NaOMe gives a mixture of species, the recrystallization of which yielded a crystal of [{2-(FcCC)-4-MeC6H3PPh2}Au(CCFc)] (1). The reaction of [Au2Cl2(μ-C6H3-5-Me-2-AsPh2)2] with phenylacetylene, 1,3- or 1,4-deb gives a mixture of unidentified products.
Subject Inorganic Chemistry not elsewhere classified
Keyword(s) gold alkynylcompound
arsenic ligand
Mössbauer spectroscopy
Acetylide Complexes
Crystal-Structure
(2-Diphenylarsino-N-Methyl)Phenyl N=5
Structural-Characterization
Alkynylgold(Iii) Complexes
Cycloaurated Complexes
Binuclear Gold(I)
Nonlinear Optics
Metal Acetylides
Donor Ligands
DOI - identifier 10.1016/j.jorganchem.2010.03.027
Copyright notice © 2010 Elsevier B.V. All rights reserved
ISSN 0022-328X
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