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5. Supplementary material
(c) A. Gansa¨uer, H. Bluhm, B. Rinker, S. Narayan, M. Schick, T.
Lauterbach, M. Pierobon, Chem. Eur. J. 9 (2003) 531.
[4] (a) W.A. Nugent, T.V. RajanBabu, J. Am. Chem. Soc. 110 (1988)
8561;
Crystallographic data for 2 as supplementary Publica-
tion No. CCDC-246956. Copies of the data can be
obtained free of charge on application to CCDC, 12 Union
Road, Cambridge CB2 1EZ, UK, fax.: (internat.) +44 1223
336 033; e-mail: deposit@ccdc.cam.ac.uk.
(b) T.V. RajanBabu, W.A. Nugent, J. Am. Chem. Soc. 111 (1989)
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(c) T.V. RajanBabu, W.A. Nugent, M.S. Beattie, J. Am. Chem. Soc.
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(d) T.V. RajanBabu, W.A. Nugent, J. Am. Chem. Soc. 116 (1994)
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Acknowledgments
[5] (a) A. Gansa¨uer, M. Pierobon, H. Bluhm, Angew. Chem. 110 (1998)
107;
We are indebted to the Deutsche Forschungsgemeinschaft,
the Fonds der Chemischen Industrie and the Acciones Integra-
das Hispano Alemanas for continuing generous financial
support.
Angew. Chem., Int. Ed. 37 (1998) 101;
(b) A. Gansa¨uer, H. Bluhm, Chem. Commun. (1998) 2143;
(c) A. Gansa¨uer, H. Bluhm, M. Pierobon, J. Am. Chem. Soc. 120
(1998) 12849;
(d) A. Gansa¨uer, M. Pierobon, Synlett (2000) 1357;
(e) A. Gansa¨uer, M. Pierobon, H. Bluhm, Synthesis (2001) 2500;
(f) A. Gansa¨uer, M. Pierobon, H. Bluhm, Angew. Chem. 114 (2002)
3341;
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