... Eur. J. 1995, 1. No ... (R)-rerr-Leueiwl ((/t)-l): Concentrated hydrochloric acid (50 mL) was added drop- wise to a stirred suspension of 8 (201.3 g ... washed with ice-cold water (1 L) and dried in vacuo at 80°C to afford 141.5 g (99%) of recovered (S)-7. which was analytically pure (see ...