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Autor:
Léon Ghosez, Mirtha Navarro, Brigitte Leclef, Jean-Pierre Antoine, Martin J. O'Donnell, Davide B. Rusterholz
Publikováno v:
Tetrahedron Letters. 23:4259-4262
The α-methyl amino acids, α-methyl p-chlorophenylalanine, α-methyl p-tyrosine, α-methyl m-tyrosine and α-methyl DOPA have been prepared in good yields from amino ester hydrochlorides. The key step in the method is the catalytic phase-transfer al