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3-Quinolinecarbonitrile, 4-chloro-7-Methoxy- synthesis
- Product Name:3-Quinolinecarbonitrile, 4-chloro-7-Methoxy-
- CAS Number:73387-74-3
- Molecular formula:C11H7ClN2O
- Molecular Weight:218.64
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Yield:73387-74-3 60%
Reaction Conditions:
with N,N-dimethyl-formamide;trichlorophosphate at 120; for 2 h;
Steps:
13.3 Step-3: Synthesis of 4-chloro-7-methoxyquinoline-3-carbonitrile:
To a solution of 7-methoxy-4-oxo-1,4-dihydroquinoline-3-carbonitrile (0.1 g, 0.49 mmol, 1 eq) in POCl3 (1 mL) was added DMF (5 drops) and the mixture was allowed to stir at 120 °C for 2 h. Progress of reaction was monitored by TLC. After completion, reaction mixture was cooled to RT, diluted with cold water (100 mL) and filtered. Solid was dried under vacuum to afford 4-chloro-7-methoxyquinoline-3-carbonitrile (60 mg, 60%) as white solid. LCMS: 219 [M+1]+
References:
WO2022/91048,2022,A1 Location in patent:Paragraph 251; 253
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