A CONVENIENT PREPARATION OF DERIVATIVES OF 3(S)-AMINO-10(R)-CARBOXY-1,6-DIAZA-CYCLODECA-2,7-DIONE THE DILACTAM OF L-α,γ-DIAMINOBUTYRIC ACID AND D-GLUTAMIC ACID: A β-TURN TEMPLATE

Article abstract of DOI:10.1016/S0040-4039(00)80678-4

The title compound has been prepared as its N-benzylcarbonyl urethane in a three-step one-pot reaction in 20-30percent yield from the dipeptide derivative Z-Gln-Glu(OH)2.Evidence concerning the configuration and chiral purity of the title compound is given.