522615-12-9Relevant articles and documents
Synthesis of tetronic acid derivatives from novel active esters of α-hydroxyacids
Mitsos, Christos,Zografos, Alexandros,Igglessi-Markopoulou, Olga
, p. 1201 - 1205 (2002)
Active esters, produced by condensation of O-acetyl protected α-hydroxyacids with N-hydroxysuccinimide, react with anions of active methylene compounds to afford β,β′-tricarbonyl derivatives which upon deprotection undergo cyclization to 3-alkoxycarbonyl