The amino and carboxy functions in N-Fmoc-α-amino acid and N-Fmoc-peptide methyl esters can be alternatively and chemoselectively deprotected by treatment with the reagent system AlCl3/N,N- dimethylaniline (DMA). The chemoselectivity of the process is controlled by modulating the relative molar ratio of the Lewis acid and DMA.
Alternative and chemoselective deprotection of the α-amino and carboxy functions of N-Fmoc-amino acid and N-Fmoc-dipeptide methyl esters by modulation of the molar ratio in the AlCl3/N,N-dimethylaniline reagent system
Di Gioia Maria Luisa;Leggio Antonella;Siciliano Carlo
2004-01-01
Abstract
The amino and carboxy functions in N-Fmoc-α-amino acid and N-Fmoc-peptide methyl esters can be alternatively and chemoselectively deprotected by treatment with the reagent system AlCl3/N,N- dimethylaniline (DMA). The chemoselectivity of the process is controlled by modulating the relative molar ratio of the Lewis acid and DMA.File in questo prodotto:
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