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Pentalene as a Complex Ligand: New Developments in the Chemistry of Nonalternant, Highly Unsaturated Hydrocarbons
Author(s) -
Butenschön Holger
Publication year - 1997
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.199716951
Subject(s) - pentalene , ligand (biochemistry) , chemistry , atom (system on chip) , metal , crystallography , stereochemistry , molecule , receptor , organic chemistry , biochemistry , computer science , embedded system
A totally new mode of complexation is exhibited by the pentalene dianion ( 1 2− ): All eight carbon atoms are coordinated to only one metal atom, and the pentalene ligand is folded along the central CC bond. Like the complex‐bound 1 2− , the acepentalene dianion ( 2 2− ) is not planar, but has a shell‐like structure, and is therefore also expected to be able to function as a ligand in transition metal complexes.
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