| abstract |
Disclosed is a preparation method for 3-phenyl-L-serine or derivatives thereof, comprising the following steps: a. obtaining 3-phenyl-L-serine or derivatives thereof on the basis of the reaction formula represented by Formula I, wherein R is selected from: hydroxyl, alkyl, alkoxy, alkyl sulfonyl, alkyl sulfinyl, alky sulfenyl, sulfonyl, sulfinyl, sulfydryl, nitryl and halogen; n is 0, 1, 2 or 3; and the transaldolase is L-threonine transaldylase; and b. adding alcohol reductase into step a. |