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Synthesis 2011(15): 2369-2371  
DOI: 10.1055/s-0030-1260113
PSP
© Georg Thieme Verlag Stuttgart ˙ New York

Convenient Preparation of Tri-tert-butylphosphonium Tetrafluoroborate

Tanguy Sageta,b, Nicolai Cramer*a
a Laboratory of Asymmetric Catalysis and Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSA, BCH 4305, 1015 Lausanne, Switzerland
Fax: +41(21)6939700; e-Mail: nicolai.cramer@epfl.ch;
b Laboratorium für Organische Chemie, ETH Zürich, HCI H 304, Wolfgang-Pauli-Strasse 10, 8093 Zurich, Switzerland
Further Information

Publication History

Received 28 April 2011
Publication Date:
14 July 2011 (online)

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Abstract

The versatile tri-tert-butylphosphonium tetrafluoroborate ligand is prepared in a convenient, simple, and high-yielding procedure without the isolation of sensitive intermediates.

Key words

ligands - homogeneous catalysis - phosphorus - transition metals - Grignard reaction

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57 $/g from Strem Chemicals Inc on May 23, 2011.

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Crystallographic data for tri-tert-butylphosphonium tetrafluoroborate C12H28BF4P, M = 290.13, monoclinic, space group P21/c, a = 12.3185(17) Å, b = 23.883(4) Å, c = 16.219(3) Å, β = 90.319(13), V = 4771.6(13) ų, Z = 12, D calc = 1.212 mg m- ³, T = 100 K, reflections collected: 26253, independent reflections: 6289, R(all) = 0.1017, wR(gt) = 0.3027. CCDC 822956 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif.