Natalie A. Fokinaa, Boryslav A. Tkachenkoa, Jeremy E. P. Dahlb, Robert M. K. Carlsonb, Andrey A. Fokin*a,c, Peter R. Schreiner*a a Institute of Organic Chemistry, Justus-Liebig University, Heinrich-Buff-Ring
58, 35392 Giessen, Germany Fax: +49(641)9934309; e-Mail: prs@org.chemie.uni-giessen.de; b Stanford University, Stanford
Institute for Materials & Energy Science, 476
Lomita Mall, Stanford, CA 94305, USA c Department of Organic Chemistry, Kiev Polytechnic Institute, pr. Pobedy
37, 03056 Kiev, Ukraine e-Mail: aaf@xtf.ntu-kpi.kiev.ua;