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For recent reviews of allylmetal additions see: (a) S. E. Denmark and N. G. Almstead, in Modern Carbonyl Chemistry, ed. J. Otera, Wiley-VCH, Weinheim, 2000, ch. 10; (b) S. R. Chemler and W. R. Roush, in Modern Carbonyl Chemistry, ed. J. Otera, Wiley-VCH, Weinheim, 2000, ch. 11; (c) Stereoselective Synthesis, Methods of Organic Chemistry (Houben-Weyl), Edition E21, ed. G. Helmchen, R. Hoffmann, J. Mulzer and E. Schaumann, Thieme, Stuttgart, 1996, vol. 3, pp. 1357-1602;
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