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Metal‐Carbon and Metal‐Metal Multiple Bonds as Ligands in Transition‐Metal Chemistry: The Isolobal Connection
Author(s) -
Stone F. Gordon A.
Publication year - 1984
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.198400893
Subject(s) - heteronuclear molecule , metal , chemistry , transition metal , ligand (biochemistry) , carbon fibers , cyclopropene , crystallography , inorganic chemistry , materials science , organic chemistry , molecule , catalysis , biochemistry , receptor , composite number , composite material
A new domain for synthesis has developed following recognition that the metal‐carbon and metal‐metal multiple bonds present in certain low‐valent transition‐metal complexes are reactive centers for the attachment of metal‐ligand fragments. The products contain metal‐metal bonds which may be homo‐or heteronuclear in nature. If bridging carbon atoms are present, leading to dimetallacyclopropane or ‐cyclopropene structures, the organic groups (alkylidene or alkylidyne) have an extensive chemistry. The isolobal connection, developed by Hoffmann et al., relating the frontier orbitals of organic groups with those of metal‐ligand fragments, has been crucial in guiding the preparative work.