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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 ; [et al.]

Weinheim : Wiley-Blackwell

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

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ISSN: 1434-193X

Keywords: Amino acids ; coupling ; N-Substituted amide ; Cyclizations ; Cyclic dipeptides ; Chemistry ; General Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: ---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.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

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