Page 81 - Pharm.Org.Chem-I 02-06-05-101
P. 81

Enzyme-catalyzed organic reactions:

     Lipase catalyzes hydrolysis of esters:

                                                                           O

                                        OEt

                              HF
        O Ethyl (R)-(+)-2-fluorohexanoate

        lipase (>99% enantiomeric excess)
                              +              +H O                             Et
        OEt                          O
     F         H OH

Ethyl (+)-2-fluorohexanoate                                 OH
[an ester that is a racemate                     FH

    of (R) and (S) forms]     (S)-(−)-2-Fluorohexanoic acid
                               (>69% enantiomeric excess)

157

158

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