benzyl N-[(2S)-1-[(2-amino-2-oxoethyl)amino]-1-oxopropan-2-yl]carbamate

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Z-D-Ala-Gly-NH2 (21) (Richman et al., Int. Peptide Protein Res., 25:648-662 (1985), which is hereby incorporated by reference): 1H and 13C NMR data are identical to (8). HRMS (FAB+) MH+ calcd 280.1297 found 280.1298; [α]27D+10.5 (c 0.72, MeOH); lit. [α]D=+10.5.