Tetrahedron Asymmetry p. 1999 - 2005 (1996)
Update date:2022-07-30
Topics:
Falorni, Massimo
Porcheddu, Andrea
Giacomelli, Giampaolo
A procedure for the preparation of optically active (2R,5S)- and (2S,5S)-2-carboxy-1,4-diaza-[4.3.0]bicyclononane is described. The method is based on the reduction of diketopiperazines obtained from cyclization of Pro-L-Ser or Pro-D-Ser and occurs withou
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