Additions and corrections

New highly active chiral phosphapalladacycle catalysts. First isolation and characterization of a Pd(IV) intermediate

Jean Michel Brunel, Marie-Hélène Hirlemann, Andreas Heumann and Gérard Buono

Chem. Commun., 2000, 1869 (DOI: 10.1039/b005521m). Amendment published 30th August 2001

The crystal data relating to the intermediate Pd(IV) complex 5 was incorrect as published. The authors have deposited new crystal data at the Cambridge Crystallographic Data Centre with deposition number CCDC 145279. See http://www.rsc.org/suppdata/cc/b0/b005521m/ for the new crystallographic data in CIF format.

Second amendment published 18th October 2001

Please note that in Scheme 1 the structure of 8 was published incorrectly as an acetate instead of a formate. The correct structure is shown below within a redrawn scheme. Also, please note that the correct value for the Pd2–C27 bond distance in 5 should be 2.121(2) Å. As mentioned in a previous corrigendum (above) the authors have deposited new crystal data at the Cambridge Crystallographic Data Centre with deposition number CCDC 145279. See http://www.rsc.org/suppdata/cc/b0/b005521m/ for the new crystallographic data in CIF format.

Retraction published 16th May 2002

We, the named authors, hereby wholly retract this Chemical Communication.

Signed: Gérard Buono, Jean Michel Brunel, Marie-Hélène Hirlemann and Andreas Heumann, Marseille, France, May 2002.

Retraction endorsed by Sarah Thomas, Managing Editor, Chemical Communications.

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.

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