Premium Electrospray mass spectrometric studies of the complexational behavior of maleonitrile thiacrown ethers with various metals
Starke Ines,
Fürstenberg Sylvia,
Müller Holger,
Holdt HansJürgen,
Kleinpeter Erich
Publication year2006
Publication title
rapid communications in mass spectrometry
Resource typeJournals
Abstract Electrospray ionization was employed to study the mass spectrometric behavior of the maleonitrile tetrathiacrown ethers mn12S 4 (1) and mn13S 4 (2) and maleonitrile pentathiacrown ether mn15S 5 (3) and of their complexes with various metal salts (MX 2 , M = Pd, Pt, Ni, Co, Fe; X = Cl, CrCl 3 , Ni(BF 4 ) 2 , TlPF 6 or Cd(NO 3 ) 2 ) and Cu(SO 3 CF 3 ) 2 . Both singly charged, [MXL] + and [MXL 2 ] + , and doubly charged complexes, [ML n ] 2+ ( n  = 2–5), were observed. The formation of the different complexes consisting of the transition metal ion, the counterion and the various crown ethers and their subsequent dissociation was also studied by collision‐induced dissociation measurements which were also used to evaluate the relative stabilities of the complexes. It was found that the collisional voltages for the dissociation of the complexes were generally greater in the [MXL] + complexes than in the corresponding [MXL 2 ] + complexes. Copyright © 2006 John Wiley & Sons, Ltd.
Subject(s)chemistry , chromatography , collision induced dissociation , counterion , dissociation (chemistry) , electrospray , electrospray ionization , electrospray mass spectrometry , ether , inorganic chemistry , ion , mass spectrometry , medicinal chemistry , metal , organic chemistry , stereochemistry , tandem mass spectrometry
SCImago Journal Rank0.528

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