C-3 synthons

C-3 synthons are important in the manufacture of a number of products. These intermediates include (R) and f -glycidyl derivatives. Small scale chemical synthesis from D or L-serines and other raw materials has been carried out, but all these routes have problems, such as the use of expensive substrates or production of polluting wastes. Therefore various biocatalytic methods for producing enantiopure glycidyl butanoate have been attempted (EUerink et al, 1991). 

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