... Department of Synthetic Organic Chemistry of the University of Utrecht, Padualaan 8, 3584 CH Utrecht, The Netherlands Paul von Ragu6 Schleyer* ... (6) Brandsma, L.; Verkruijsse, HD Preparative Polar Organo- metallic Chemistry; Springer-Verlag ... Page 2. 1312 J. Org. Chem., Vol. ...