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Rapid And Efficient Synthesis Of Peptide Fragments Containing α-aminoisobutyric Acid Using Fmoc-amino Acid Chlorides/potassium Salt Of 1-hydroxybenzotriazole
Published 1998 · Chemistry
The synthesis of peptides containing multiple Aib residues was accomplished using Fmoc-Aib-Cl in presence of KOBt. As no additional base was added, the duration of coupling reactions could be extended. Thus, the synthesis of the alamethicin 1-4 fragment, Aib-Pro-Aib-Ala, the emerimicin 2- 6 fragment, Aib-Aib-Aib-Val-Gly and the Aib tetramer, Fmoc-(Aib)4-OBzl were accomplished in good yield and purity.