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ChemicalBook CAS DataBase List 6-BROMO-2(1H)-QUINOLONE
1810-66-8

6-BROMO-2(1H)-QUINOLONE synthesis

13synthesis methods
-

Yield: 97%

Reaction Conditions:

with sulfuric acid at 100;

Steps:

6.b
6-Bromo-2(1 /-/)-quinolinone. The solution of the compound from Example 6 a) (6.0 g, 22.2 mmol) in concentrated H2SO4 (30 mL) was heated in 100 0C EPO overnight. The mixture was cooled to ambient temperature and quenched with ice water. The precipitate was filtered, washed with water and dried in vacuo to afford the title compound as a white solid (4.8 g, 97%). MS(ES+) m/e 225 [M+H]+.

References:

SMITHKLINE BEECHAM CORPORATION WO2006/132739, 2006, A2 Location in patent:Page/Page column 35-36

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