Microwave-assisted, zinc-mediated peptide coupling of N-benzyl-α,α-disubstituted amino acids |
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Authors: | Julia Cianci |
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Institution: | The Walter and Eliza Hall Institute, 4 Research Avenue, Bundoora VIC 3086, Australia |
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Abstract: | Incorporation of the extremely hindered amino acid N-benzylaminoisobutyric acid into dipeptides under microwave irradiation with commercial zinc dust is described. A comparative survey of various methodologies for hindered peptide couplings was undertaken. The optimised coupling conditions were free from racemisation and applicable to other hindered amino acids. |
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