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d 6 ‐Metal Complexes of 4,4′‐Bipyrimidine, an Ambident Ligand with High π‐Acceptor Ability
Author(s) -
Ernst Sylvia,
Kaim Wolfgang
Publication year - 1985
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.198504301
Subject(s) - diimine , metal , chemistry , chelation , acceptor , ligand (biochemistry) , inorganic chemistry , polymer chemistry , organic chemistry , catalysis , physics , biochemistry , receptor , condensed matter physics
The highest π‐acidity of all bidiazines, which have the possibility of forming α‐diimine chelates ( 1 – 4 ), is not exhibited by 2,2′‐bipyrazine 3 but rather by the 4,4′‐bipyrimidine 2, which has not been used up to now in complex chemistry. This result was obtained from a theoretical analysis as well as an investigation of the corresponding d 6 metal complexes.
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