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Stabilization of a Discrete Lanthanide( II ) Hydrido Complex by a Bulky Hydrotris(pyrazolyl)borate Ligand
Author(s) -
Ferrence Gregory M.,
McDonald Robert,
Takats Josef
Publication year - 1999
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/(sici)1521-3773(19990802)38:15<2233::aid-anie2233>3.0.co;2-x
Subject(s) - chemistry , steric effects , lanthanide , ligand (biochemistry) , boron , dimer , medicinal chemistry , ytterbium , divalent , hydrogenolysis , solvent , inorganic chemistry , stereochemistry , organic chemistry , catalysis , materials science , doping , ion , biochemistry , receptor , optoelectronics
Divalent and solvent‐free : the ytterbium hydrido complex 1 was obtained by the hydrogenolysis of [(Tp t Bu,Me )Yb(CH 2 SiMe 3 )(thf)]. The steric demand of the bulky hydrotris(3‐ tert ‐butyl‐5‐methylpyrazolyl)borate ligand, Tp t Bu,Me , is sufficient to stabilize the dimer, yet facile room‐temperature reactions with amines, alkynes, diynes, and CO indicate a rich chemistry of 1 .