Applications of Propargyl Esters of Amino Acids in Solution-Phase Peptide Synthesis

Table 3

Preparation of dipeptides from propargyl esters of Aib, Val and Ile.

Entry	N-Boc amino propargyl ester used	Dipeptide	Yield^a (%)
1	2g		67
2	2c		82
3	2d		88

^aThe yields reported are of pure compounds isolated through column chromatography.