Reference of 19064-18-7 ,Some common heterocyclic compound, 19064-18-7, molecular formula is C7H6F2O, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.
A mixture of (2,6-difluorophenyl)methanol (1 mL) and sodium hydride (60%, oil) (34 mg) was stirred at room temperature for 30 min. 3-(4-Chloropyridin-2-yl)quinazoline-2,4(1H,3H)-dione (115 mg) was added, and the obtained mixture was stirred at 150C for 4 hr. The reaction mixture was purified by silica gel column chromatography (hexane/ethyl acetate) to give the title compound (31 mg). 1H NMR (300 MHz, DMSO-d6) delta 5.24 (2H, s), 7.14-7.31 (6H, m), 7.51-7.65 (1H, m),7.66-7.79 (1H, m), 7.87-8.06 (1H, m), 8.45 (1H, d, J = 5.7 Hz), 11.65 (1H, s).
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,19064-18-7, its application will become more common.
Reference:
Patent; Takeda Pharmaceutical Company Limited; OGINO, Masaki; IKEDA, Zenichi; FUJIMOTO, Jun; OHBA, Yusuke; ISHII, Naoki; FUJIMOTO, Takuya; ODA, Tsuneo; TAYA, Naohiro; YAMASHITA, Toshiro; MATSUNAGA, Nobuyuki; EP2889291; (2015); A1;,
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