Platinum(II), palladium(II), nickel(II), and gold(I) complexes of the "electrospray-friendly" thiolate ligands 4-SC5H4N− and 4-SC6H4OMe

The series of platinum(II), palladium(II), and nickel(II) complexes [ML 2 (dppe)] [M = Ni, Pd, Pt; L = 4-SC 5 H 4 N or 4-SC 6 H 4 OMe; dppe = Ph 2 PCH 2 CH 2 PPh 2 ] containing pyridine-4-thiolate or 4-methoxybenzenethiolate ligands, together with the corresponding gold(I) complexes [AuL(PPh 3 )], w...

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Bibliographic Details
Published in:Journal of coordination chemistry 2010-09, Vol.63 (17), p.2965-2975
Main Authors: Decker, Corry, Henderson, William, Nicholson, Brian K.
Format: Article
Language:English
Subjects:
Crystal structure
Electrospray ionization mass spectrometry
Electrospraying
Gold
Gold complexes
Ionization
Ions
Ligands
Mass spectrometry
Nickel
Nickel complexes
Palladium
Palladium complexes
Platinum
Platinum complexes
Spectrometry
Thiolate ligands
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Summary:The series of platinum(II), palladium(II), and nickel(II) complexes [ML 2 (dppe)] [M = Ni, Pd, Pt; L = 4-SC 5 H 4 N or 4-SC 6 H 4 OMe; dppe = Ph 2 PCH 2 CH 2 PPh 2 ] containing pyridine-4-thiolate or 4-methoxybenzenethiolate ligands, together with the corresponding gold(I) complexes [AuL(PPh 3 )], were prepared and their electrospray ionization mass spectrometric behavior compared with that of the thiophenolate complexes [M(SPh) 2 (dppe)] (M = Ni, Pd, Pt) and [Au(SPh)(PPh 3 )]. While the pyridine-4-thiolate complexes yielded protonated ions of the type [M + H] + and [M + 2H] 2+ ions in the Ni, Pd, and Pt complexes, an [M + H] + ion was only observed for the platinum derivative of 4-methoxybenzenethiolate. Other ions, which dominated the spectra of the thiophenolate complexes, were formed by thiolate loss and aggregate formation. The X-ray crystal structure of [Pt(SC 6 H 4 OMe-4) 2 (dppe)] is also reported.
ISSN:0095-8972
1029-0389
DOI:10.1080/00958972.2010.507270