... Chern., 51 (7), 1833 ~ 1838, 1987 ... C and pH 6, there was only 18% conversion; how- ever, the isolation of 2S-6 with 92% ee was quantitative, and the chemical yield was ... The pellet was dissolved in buffer B and brought to pH 7.5 by the addition of IN NaOH (end volume of 675ml ...