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Square‐Planar Iridium(II) and Iridium(III) Amido Complexes Stabilized by a PNP Pincer Ligand
Author(s) -
Meiners Jenni,
Scheibel Markus G.,
LeméeCailleau MarieHélène,
Mason Sax A.,
Boeddinghaus M. Bele,
Fässler Thomas F.,
Herdtweck Eberhardt,
Khusniyarov Marat M.,
Schneider Sven
Publication year - 2011
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/anie.201102795
Subject(s) - iridium , pincer movement , pincer ligand , ligand (biochemistry) , square (algebra) , chemistry , crystallography , stereochemistry , mathematics , organic chemistry , catalysis , biochemistry , receptor , geometry
Squaring the circle : The novel dienamido pincer ligand N(CHCHP t Bu 2 ) 2 − affords the isolation of the unusual square‐planar iridium(II) and iridium(III) amido complexes [IrCl{N(CHCHP t Bu 2 ) 2 }] n ( n =0 ( 1 ), +1 ( 2 )). In contrast, the corresponding iridium(I) complex of the redox series ( n =−1) is surprisingly unstable. The diamagnetism of 2 is attributed to strong N→Ir π donation.

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