158257-39-7Relevant articles and documents
Synthesis of Chiral Urethane N-Alkoxycarbonyl Tetramic Acids from Urethane N-Carboxyanhydrides (UNCAs)
Fehrentz, Jean-Alain,Bourdel, Elisabeth,Califano, Jean-Christophe,Chaloin, Oliveir,Devin, Chantal,et al.
, p. 1557 - 1560 (1994)
The synthesis of chiral N-protected tetramic acid derivatives which are precursors of β-hydroxy γ-amino acid under mild conditions is described.Reaction of urethane-N-carboxyanhydrides (UNCAs) with Meldrum's acid in the presence of a tertiary amine, follo