A convenient approach to prepare N-protected alpha-aminophosphonic acids (phospho-isosteres of natural amino acids) via amidoalkylation of phosphorous acid in a mixture of acetic anhydride and acetyl chloride upon cooling has been developed.
A convenient approach to prepare N-protected alpha-aminophosphonic acids (phospho-isosteres of natural amino acids) via amidoalkylation of phosphorous acid in a mixture of acetic anhydride and acetyl chloride upon cooling has been developed.