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Asymmetric synthesis of [alpha]-amino acids and [alpha]-amino aldehydes via electrophilic substitution of chiral lithiocarbanions
(1982)
The asymmetric syntheses of N-protected-(alpha)-amino acid derivatives are reported. Deprotonation of N-benzoylglycine (-)-menthol ester (1) with lithium diisopropylamide (LDA) affords the stable dilithio derivative (9). ...