First planar chiral bidentate ligand based on a (η5-cyclopentadienyl)(η4-cyclobutadiene) cobalt backbone: high efficiency in enantioselective palladium-catalyzed allylic substitutions

Ramón Gómez Arrayás; Olga García Mancheño; Juan C. Carretero

doi:10.1039/B405342G

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First planar chiral bidentate ligand based on a (η⁵-cyclopentadienyl)(η⁴-cyclobutadiene) cobalt backbone: high efficiency in enantioselective palladium-catalyzed allylic substitutions†

Ramón Gómez Arrayás,^a Olga García Mancheño^a and Juan C. Carretero*^a

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* Corresponding authors

^a Departamento de Química Orgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
E-mail: juancarlos.carretero@uam.es
Fax: 34 913973966
Tel: 34 913973925

Abstract

The synthesis of the planar chiral (R)-[η⁵-(1-diphenylphosphino-2-tert-butylsulfenyl)cyclopentadienyl](η⁴-tetraphenylcyclobutadiene) cobalt and its high efficiency as P,S-bidentate ligand in Pd-catalyzed allylic substitutions is described.

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Article information

DOI: https://doi.org/10.1039/B405342G
Article type: Communication
Submitted: 08 Apr 2004
Accepted: 19 May 2004
First published: 17 Jun 2004

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Chem. Commun., 2004, 1654-1655

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First planar chiral bidentate ligand based on a (η⁵-cyclopentadienyl)(η⁴-cyclobutadiene) cobalt backbone: high efficiency in enantioselective palladium-catalyzed allylic substitutions

R. Gómez Arrayás, O. García Mancheño and J. C. Carretero, Chem. Commun., 2004, 1654 DOI: 10.1039/B405342G

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Chemical Communications