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Mass spectra of arylhydroxyoximes and their complexes with transition metals
Author(s) -
GuiXiang Fu,
YaoHuan Chen,
ChenMing Zhou,
YuanWei Wu,
XiaoYun Xu,
MingYing Zeng,
HuaiYu Shen
Publication year - 1987
Publication title -
acta chimica sinica english edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 0256-7660
DOI - 10.1002/cjoc.19870050404
Subject(s) - chemistry , electronegativity , mass spectrum , fragmentation (computing) , ion , transition metal , metal , metastability , spectral line , mass spectrometry , metal ions in aqueous solution , crystallography , analytical chemistry (journal) , inorganic chemistry , organic chemistry , catalysis , physics , chromatography , computer science , astronomy , operating system
Abstract The EI mass spectra of several arylhydroxyoximes and of their coordinated complexes with transition metals, Cu, Ni, Co and Fe have been studied using high resolution mass spectrometry, metastable ion measurements and the stable isotopes 15 N, 63 Cu and 65 Cu labelling to elucidate the fragmentation pathways. It has been found that the spectra of all compounds 1–24 except Fe‐complex 24 show molecular ions. The relative intensity of molecular ions of the complexes, which contained the same kind of metal and the arylhydroxyoximes with different substituents R , is closely related to the electronegativity of R. In all metal‐complexes 9–22 , the main decomposition pathways involve the successive loss of O, NO and then H 2 O or LH. In these spectra the fragment ions of non‐metal‐ containing species resulting from the cleavage of the dioxime ligands can be discriminated.