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Carbenerhodium Complexes with Diaryl‐ and Aryl(alkyl)carbenes as Ligands: The Missing Link in the Series of the Double Bond Systems trans ‐[RhCl{ C(C) n RR′}(L) 2 ] Where n 0, 1, and 2
Author(s) -
Schwab Peter,
Mahr Norbert,
Wolf Justin,
Werner Helmut
Publication year - 1993
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199314801
Subject(s) - carbene , ligand (biochemistry) , alkyl , aryl , chemistry , heteroatom , stereochemistry , medicinal chemistry , organic chemistry , catalysis , receptor , biochemistry
That compounds bearing homologous ligands —here P i Pr 3 and Sb i Pr 3 —can behave differently is underlined by the synthesis of the first carbenerhodium(i) complexes in which the carbene is not stabilized by a heteroatom. Compound 1 (characterized by X‐ray structural analysis) undergoes a variety of interesting ligand displacement reactions, giving, for example, 2 (L Sb i Pr 3 , CO, CN t Bu) and 3 . Diphenylketene is obtained by coupling of the carbene ligand with CO.