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Use of Diphenyliodonium Bromide in the Synthesis of Some N-Phenyl -Amino Acids
Journal article   Peer reviewed

Use of Diphenyliodonium Bromide in the Synthesis of Some N-Phenyl -Amino Acids

J D McKerrow, J M A Al-Rawi and Peter R Brooks
Synthetic Communication, Vol.40(8), pp.1161-1179
2010
url
https://doi.org/10.1080/00397910903051259View
Published Version

Abstract

amino acids diphenyliodonium bromide esters N-phenylation
The N-phenyl methyl esters 4 of glycine, alanine, valine, leucine, isoleucine, phenylalanine, methionine, proline, serine, threonine, tyrosine, aspartic acid, and glutamic acid have been synthesized in good to excellent yields using diphenyliodonium bromide, AgNO3, and a catalytic amount of CuBr starting from the relevant amino acid ester. The chiral integrity of the amino acids 5 was maintained during these reactions, which were confirmed by the synthesis of dipeptide for each N-phenyl amino acid. The structures of the new compounds were confirmed by the analysis of their IR, 1H, and 13C NMR spectra in addition to CHN microanalysis or high-resolution mass spectrometry for the new N-phenyl amino acids 5 and the esters 4.

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Chemistry, Organic
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