7-Bromo-2-chloro-1,5-naphthyridine, cas is 1309774-03-5, it is a common heterocyclic compound, the naphthyridine compound, its synthesis route is as follows.
Example 0762 0762-1 60% sodium hydride (136 mg) was added to a mixture of 7-bromo-2-chloro-1,5-naphthyridine (300 mg), (4-methoxyphenyl)methanol, and N-methylpyrrolidone (12.3 mL) at a temperature of from 0 C. to 5 C., followed by stirring at room temperature for 2 hours in a nitrogen atmosphere. After water and ethyl acetate were added to the reaction mixture, the organic layer was washed sequentially with 0.01 mol/L hydrochloric acid and with a saturated sodium chloride aqueous solution, and dried over anhydrous sodium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by silica gel column chromatography (ethyl acetate-hexane), thereby obtaining 7-bromo-2-((4-methoxybenzyl)oxy)-1,5-naphthyridine (204 mg) as a white solid. MS m/z (M+H): 345.
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Reference£º
Patent; FUJIFILM Corporation; FURUYAMA, Hidetomo; KURIHARA, Hideki; TERAO, Takahiro; NAKAGAWA, Daisuke; TANABE, Shintaro; KATO, Takayuki; YAMAMOTO, Masahiko; SEKINE, Shinichiro; MASHIKO, Tomoyuki; INUKI, Shinsuke; UEDA, Satoshi; US2015/322063; (2015); A1;,
1,8-Naphthyridine – Wikipedia
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