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Reductive Elimination and Oxidative Addition of Hydrogen at Organostannylium and Organogermylium Cations
Author(s) -
Diab Fatima,
Aicher Frederik S. W.,
Sindlinger Christian P.,
Eichele Klaus,
Schubert Hartmut,
Wesemann Lars
Publication year - 2019
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201805770
Subject(s) - chemistry , hydrogen , moiety , oxidative addition , terphenyl , reductive elimination , medicinal chemistry , solvent , ion , ligand (biochemistry) , aryl , inorganic chemistry , oxygen , photochemistry , stereochemistry , organic chemistry , catalysis , alkyl , biochemistry , receptor
Bulkily substituted organodihydrogermylium and ‐stannylium cations [Ar*EH 2 ] + (E=Ge, Sn; Ar*=2,6‐Trip 2 C 6 H 3 , Trip=2,4,6‐triisopropylphenyl) were characterized as salts of the weakly coordinating perfluorinated alkoxyaluminate anion [Al{OC(CF 3 ) 3 } 4 ] − . At room temperature, the stannylium cation liberates hydrogen to generate the low valent organotin cation [Ar*Sn] + . In contrast, the dihydrogermylium cation transfers the hydrogen atoms to an aryl moiety of the terphenyl ligand and oxidatively adds either hydrogen under an atmosphere of hydrogen or a sp 2 CH unit of the 1,2‐difluorobenzene solvent.
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