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Synthesis and Characterization of Two New fac ‐Tricarbonylrhenium(I) Biscarbene Complexes
Author(s) -
Hiltner Oliver,
Herdtweck Eberhardt,
Drees Markus,
Herrmann Wolfgang A.,
Kühn Fritz E.
Publication year - 2009
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200801164
Subject(s) - rhenium , chemistry , deprotonation , imidazoline receptor , metal , medicinal chemistry , chloride , stereochemistry , polymer chemistry , organic chemistry , ion , medicine
Abstract fac ‐Bromidotricarbonylbis(1,3‐diisopropylimidazoline‐2‐ylidene)rhenium(I) ( 4a ) and fac ‐bromidotricarbonylbis(1,3‐dicyclohexylimidazoline‐2‐ylidene)rhenium(I) ( 4b ) with two coordinated 1,3‐dialkylsubstituted imidazoline‐2‐ylidenes were obtained by deprotonation of the corresponding imidazolium chloride salts. In this reaction two coordinated bromides of the metal precursor [NEt 4 ] 2 [ReBr 3 (CO) 3 ] were substituted by 1,3‐di‐R‐imidazoline‐2‐ylidene (R = i Pr, Cy) ligands to generate two stable rhenium(I) biscarbene complexes that have similar structures, as proven by X‐ray diffraction and DFT calculations.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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