Potassium Carbonate → HCID 136344749, compound

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To a solution of the crude 8-(4-(diethoxymethyl)phenyl)-9-(4-fluorophenyl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one (3.0 g, 6.53 mmol) in water (10 mL) was added hydrochlorichttp://newsearchch.chemexper.com/cheminfo/servlet/org.dbcreator.MainServlet?sort=%3E%7Eentry.intValue&query=structure_structureID%3D4635571&target=entry&action=PowerSearch&onclick=1&from=0&history=off&forGroupNames=&style=&realQuery=rn.value%3D%22CF3COOH%22+elsor+entry.catalogID%3D%22CF3COOH%22+elsor+iupac.value%3D%22CF3COOH%22+elsor+mf.value%3D%22CF3COOH%22+elsor+%28iupac.value%3D%7E%22CF3 COOH%22+or+catalog.description%3D%7E%22CF3COOH%22%29&format=ccd&searchTemplate=rn.value%3D %3F+elsor+entry.catalogID%3D%3 acid (1N, 50 mL) at 0° C. The mixture was stirred at room temperature for 4 hr. Then the mixture was neutralized with potassium carbonate. The mixture was extracted with ethyl acetate (200 mL×3). The combined organic layers were washed with brine, dried over anhydrous sodium sulfate, and concentrated to give the crude title compound (2.5 g, yield 98%). LC-MS (ESI) m/z: 386 (M+1)+.

Provenance & Evidence