Moellers, Christian; Prigge, Joerg; Wibbeling, Birgit; Froehlich, Roland; Brockmeyer, Andreas; Schaefer, Hans J.; Schmaelzlin, Elmar; Braeuchle, Christoph; Meerholz, Klaus; Wuerthwein, Ernst-Ulrich European Journal of Organic Chemistry, 2003 , # 7 p. 1198 - 1208