251986-50-2Relevant academic research and scientific papers
A synthesis of 4-quinolone-3-carboxylic acids via pyrolysis of N- aryldioxopyrrolines
Mohri, Kunihiko,Kanie, Akihiko,Horiguchi, Yoshie,Isobe, Kimiaki
, p. 2377 - 2384 (2007/10/03)
A synthesis of 4-quinolone-3-carboxylic acids (8) was achieved by pyrolysis of 4,5-dimethoxycarbonyl-1-aryl-1H-pyrrole-2,3-diones (3) followed by selective demethoxycarbonylation of the resulting 2,3-dimethoxycarbonyl-4- quinolones (4) in excellent overall yields.
