ABSTRACT
A convenient method for the esterification of amino acids bearing labile N-substituents is described. Three compounds, 2(a–c), have been synthesised with retention of an N-trifluoroacetamide or an enamine group.
ACKNOWLEDGMENTS
The author would like to thank Jennifer Gilchrist for her guidance in the use of Biotage Flash 40 purification apparatus, Lynn Bogue (Spectroscopy) for carrying out the 1H NMR analysis and Butterworth Laboratory Limited for microanalysis.