D-Pyroaspartic acid is a synthetic intermediate.1 It has been used in the synthesis of antibiotic precursors.
1.Murahashi, S., Naota, T., Kuwabara, T., et al.Ruthenium-catalyzed oxidation of amides and lactams with peroxidesJ. Am. Chem. Soc.112(21)7820-7822(1990)
















