Abstract
The title compound ( S)- α-methylserinal acetonide has been efficiently prepared from ( S)- α-methylserine, which is readily available in enantiomerically pure form by Curtius rearrangement of α,α-dialkyl 2-cyanoesters obtained by diastereoselective alkylation of (1 S,2 R,4 R)-10-dicyclohexylsulfamoylisobornyl 2-cyanopropanoate using methoxymethyl iodide or paraformaldehyde as electrophiles by an extension of our recently developed methodology for the synthesis of α,α-dialkylamino acids.
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