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Synthesis of New Seven-Membered Ring Cyclic Dipeptides From Functionalized β-Amino Acids (2000)

El Mahdi, Ouafâa ; Lavergne, Jean-Pierre ; Martinez, Jean ; [weitere]

Weinheim : Wiley-Blackwell

Liebigs Annalen 2000 (2000), S. 251-255

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Details

ISSN: 1434-193X

Schlagwort(e): Amino acids ; coupling ; N-Substituted amide ; Cyclizations ; Cyclic dipeptides ; Chemistry ; General Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: ---A short synthesis of new, functionalized seven-membered ring cyclic dipeptides is described. After the coupling of N-protected β-amino acids to N-substituted α-amino tert-butyl esters, the protective groups of the terminal functions were removed and the cyclization took place diastereoselectively in the presence of the coupling agent BOP. Amide substitution was found to be effective in promoting the cyclization of linear dipeptides.

Zusätzliches Material: 1 Ill.

Materialart: Digitale Medien

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