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Intramolecular Cycloaddition in the (Diyne)iridium Complexes [Cp*Ir(CO)(η 2 ‐ArC≡CC≡CAr)]: An Experimental and Computational Study
Author(s) -
Li Yongjia,
Leong Weng Kee
Publication year - 2016
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.201600579
Subject(s) - chemistry , iridium , intramolecular force , alkyne , cycloaddition , ligand (biochemistry) , reductive elimination , stereochemistry , medicinal chemistry , photochemistry , catalysis , organic chemistry , receptor , biochemistry
The diyne complex [Cp*Ir(CO)(η 2 ‐ArC≡CC≡CAr)] reacts with two‐electron donor ligands to form the iridacyclobutenone [Cp*Ir(L){C(C≡CAr)=C(Ar)C=O}]. Kinetic measurements and computational studies support the proposal that the reaction pathway involves alkyne insertion followed by coordination of the two‐electron donor ligand.