An efficient synthesis of 5-oxo-2,5-dihydro-3-furancarboxylate derivatives via reaction of dialkyl acetylenedicarboxylate with triphenylphosphine （Ph3P） in the presence of activated carbonyl compounds such as ethyl ...An efficient synthesis of 5-oxo-2,5-dihydro-3-furancarboxylate derivatives via reaction of dialkyl acetylenedicarboxylate with triphenylphosphine （Ph3P） in the presence of activated carbonyl compounds such as ethyl pyruvate, benzil, benzoylcyanide, biacetyle or N-alkylisatins is described.展开更多
文摘An efficient synthesis of 5-oxo-2,5-dihydro-3-furancarboxylate derivatives via reaction of dialkyl acetylenedicarboxylate with triphenylphosphine （Ph3P） in the presence of activated carbonyl compounds such as ethyl pyruvate, benzil, benzoylcyanide, biacetyle or N-alkylisatins is described.
