Figure 5.

Product derivatization. Enantiomeric ratios were determined by HPLC (major:minor). aReactions performed with a starting material er of 97:3; breactions performed with a starting material er of 88:12.

Product derivatization. Enantiomeric ratios were determined by HPLC (major:minor). aReactions performed with a starting material er of 97:3; breactions performed with a starting material er of 88:12.