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Ring Expansion of a Cp* Moiety: Formation of a 1,2‐Diphosphacyclooctatetraene Ligand
Author(s) -
Scheer Manfred,
Himmel Daniel,
Johnson Brian P.,
Kuntz Christian,
Schiffer Michael
Publication year - 2007
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200605173
Subject(s) - phosphinidene , ligand (biochemistry) , ring (chemistry) , moiety , chemistry , stereochemistry , atom (system on chip) , computer science , organic chemistry , receptor , operating system , biochemistry
Not as innocent as it looks : Reaction of the phosphinidene complex 1 with t BuCP leads, via a WP triply bound intermediate, to the diphosphabutenonyl ligand complex 2 , whereas the reaction with MesCP (Mes=2,4,6‐Me 3 C 6 H 2 ) leads, through an unprecedented ring opening of the “innocent” Cp* ligand (Cp*=C 5 Me 5 ) and insertion of the phosphaalkyne and the phosphinidene P atom, to the novel diphosphacyclooctatetraene ligand complex 3 .
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