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Fragmentation of Alkoxo(catecholato)vanadium( V ) Complexes[(C 6 H 4 O 2 )V(OR 1 )(OR 2 )] + in the Gas Phase
Author(s) -
Kaczorowska Malgorzata,
Schröder Detlef,
Schwarz Helmut
Publication year - 2005
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200500155
Subject(s) - chemistry , vanadium , dissociation (chemistry) , fragmentation (computing) , analytical chemistry (journal) , mass spectrum , collision induced dissociation , alkoxy group , mass spectrometry , medicinal chemistry , electrospray ionization , crystallography , stereochemistry , inorganic chemistry , tandem mass spectrometry , organic chemistry , chromatography , computer science , operating system , alkyl
Electrospray ionization (ESI) mass spectrometry is used to investigate the gas‐phase dissociation behavior of vanadium( V ) complexes [(C 6 H 4 O 2 )V(OR 1 )(OR 2 )] + containing two identical or different alkoxy groups (R 1 , R 2 = CH 3 , C 2 H 5 , n ‐C 3 H 7 , i ‐C 3 H 7 and t ‐C 4 H 9 ) and a catecholato ligand (C 6 H 4 O 2 ). The fragmentation reactions of the complexes are studied by collision‐induced dissociation (CID) and labeling experiments. For [(C 6 H 4 O 2 )V(OR 1 )(OR 2 )] + cations with alkoxo groups larger than methyl, a trend for preferential evaporation of hydrocarbon fragments is observed, followed by expulsion of neutral alcohols. Further, the CID spectra of all complexes show a signal which can be assigned to the complex [(C 6 H 4 O 2 )VO] + . (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)
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