... The organic phase was washed with 1 N HCl (30 mL), 1 N NaHC03 (30 mL), water (50 mL), and brine 11.08 (d, 3 H, NHOCHZPh). (20 mL). ... Page 3. J. Org. Chem. ... 157-185 oc. (11) Fore a review on the formation and chemistry of oxazolidines see: Bergman, ED Chem. Reo. ...