By seeing the experimental section in Humphrey et al. Org. Proc. Res. Dev. 2007, 11, 1069–1075, (DOI) it seems that 5(S) was obtained from an aqueous phase (aq NaOH) and 4(R) was extracted into a CH2Cl2 phase. Please correct it. --Su-no-G (talk) 05:36, 8 September 2008 (UTC)[reply]
