A New Scorpionate Ligand: Tris(4,4-dimethyl-2-oxazolinyl)borate and Its Zirconium(IV) Complexes
Author(s) -
James F. Dunne,
Jiachun Su,
Arkady Ellern,
Aaron D. Sadow
Publication year - 2008
Publication title -
organometallics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.231
H-Index - 172
eISSN - 1520-6041
pISSN - 0276-7333
DOI - 10.1021/om800252p
Subject(s) - chemistry , steric effects , oxazoline , tris , ligand (biochemistry) , boron , zirconium , medicinal chemistry , stereochemistry , inorganic chemistry , organic chemistry , catalysis , biochemistry , receptor
The first example of a new class of oxazoline-based scorpionate ligand, tris(4,4-dimethyl-2-oxazolinyl)phenyl borate, [ToM]−, is prepared by reaction of 2-lithio-4,4-dimethyl-2-oxazolide and 0.3 equiv of dichlorophenylborane. The steric bulk of this ligand is greater than that of tris(3,5-Me2-pyrazolyl)borate (Tp*), as quantified by comparison of solid angles of crystallographically characterized zirconium(IV) complexes.
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