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Synthesis of (S)- and (R)- tert Leucine Enabling Direct Coupling with α-Amino Acid Esters via β-Lactam-Derived α-Amino Acid N-Carboxy Anhydrides.

✍ Scribed by Claudio Palomo*; Iñaki Ganboa; Beatriz Odriozola; Anthony Linden

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 507 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)00553-4

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✦ Synopsis

3S, 4R)-and (3R, 4S)-3-hydroxy-4-rerr-butyl &lactams on exposure to IM NaOCl and a catalytic amount of 2,2,6,6-tetramethy lpiperidinyl-l-oxyl (TEMPO) afforded et-amino acid N-carboxy anhydrides formally derived from both (S)-and (R)-tert-leucine amino acids. 01997 Published byElsevierScienceLtd.

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