Ethyl 7-chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate, cas is 100491-29-0, it is a common heterocyclic compound, the naphthyridine compound, its synthesis route is as follows.
Ethyl 7-chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate (1) (7.82 g, 0.02 mol) in 10% HCl (100 mL) was refluxed at 100 C for 3h. The reaction mixture was cooled down, diluted with 100 ml of H2O and adjusted to pH=7 by addition of ammonia (33%). The product was filtered off, dried and recrystallized from EtOH., 100491-29-0
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Reference£º
Article; Gencer, Huelya Karaca; Levent, Serkan; Acar Cevik, Ulviye; Oezkay, Yusuf; Ilg?n, Sinem; Bioorganic and Medicinal Chemistry Letters; vol. 27; 5; (2017); p. 1162 – 1168;,
1,8-Naphthyridine – Wikipedia
1,8-Naphthyridine | C8H6N2 – PubChem