
Tetrahedron Letters p. 1111 - 1114 (1993)
Update date:2022-08-03
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Jefford
Wang
L-Aspartic acid by regioselective modification of the α-carboxylic acid group, namely N-tosylation, anhydride formation, reduction, iodo-esterification, alkylation, and deprotection afforded a series of γ-alkyl β-aminobutyric acids of the R configuration (ee > 99%).
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