(2S)-2-(((tert-butoxy)carbonyl)amino)-3-methoxypropanoic acid → HCID 86616946, compound

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The N2,O-dimethyl-L-homoserinamide used as starting material was prepared by methylating N-(tert-butoxycarbonyl)-O-methyl-L-homoserine using an analogous method to that described in Example 7 for the methylation of N-(tert-butoxycarbonyl)-O-methyl-L-serine, to give N-(tert-butoxycarbonyl)-N,O-dimethyl-L-homoserine; 1H NMR spectrum: (DMSO d6, 100° C.) 1.40 (s, 9H), 1.91 (m, 1H), 2.09 (m, 1H), 2.75 (s, 3H), 3.24 (s, 3H), 3.34 (m, 2H), 4.44 (m, 1H).

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