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On the Question of the Diastereoselective Alkylation of 4-Unsubstituted 3-Amino β-Lactams. A Concise Synthesis of α-Branched α-Amino β-Lactams and their Coupling with α-Amino Acid Esters

✍ Scribed by Claudio Palomo; Jesus M. Aizpurua; Regina Galarza; Ana Benito; Uttam K. Khamrai; Unni Eikeseth; Anthony Linden

Book ID
108370860
Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
165 KB
Volume
56
Category
Article
ISSN
0040-4020

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ChemInform Abstract: The Question of the
ChemInform Abstract: The Question of the Diastereoselective Alkylation of 4-Unsubstituted 3-Amino β-Lactams. A Concise Synthesis of α-Branched α-Amino β-Lactams and Their Coupling with α-Amino Acid Esters.
✍ Claudio Palomo; Jesus M. Aizpurua; Regina Galarza; Ana Benito; Uttam K. Khamrai; 📂 Article 📅 2000 🏛 John Wiley and Sons ⚖ 38 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

Synthesis of (S)- and (R)- tert Leucine
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.
✍ Claudio Palomo*; Iñaki Ganboa; Beatriz Odriozola; Anthony Linden 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 507 KB

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.