(S)-benzyl 2-amino-3-(benzyloxy)propanoate → N-(2-acetylthiomethyl-1-oxo-3-phenylbutyl)-O-benzylserine benzyl ester

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반응 단계

Using the procedure described in Example 60, starting with 2-acetylthiomethyl-3-phenylbutanoic acid and O-benzylserine benzyl ester, and after purification by chromatography, eluting with a hexane/ethyl acetate (8:2 by volume) mixture, N-(2-acetylthiomethyl-1-oxo-3-phenylbutyl)-O-benzylserine benzyl ester is obtained in a 62% yield, the characteristics of which are as follows: Rf =0.16 [hexane/ethyl acetate (8:2 by volume)].

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