4-(DIBROMOMETHYL)-2-FLUOROBENZONITRILE synthesis
- Product Name:4-(DIBROMOMETHYL)-2-FLUOROBENZONITRILE
- CAS Number:440105-58-8
- Molecular formula:C8H4Br2FN
- Molecular Weight:292.93
85070-67-3
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Yield:440105-58-8 80%
Reaction Conditions:
with N-Bromosuccinimide;2,2'-azobis(isobutyronitrile) in tetrachloromethane at 90; for 24 h;Inert atmosphere;
Steps:
2.1 Step 1: 4-(dibromomethyl)-2-fluorobenzonitrile
To a solution of 2-fluoro-4-methylbenzonitrile (5.4g, 40 mmol) in CC14 (40 mL) was added NBS (15.7g, 88mmol), AIBN (657mg, 4mmol), the resulting mixture was stirred at 90°C for 24h under N2; the mixture was concentrated to leave 4- (dibromomethyl)-2-fluorobenzonitrile (8.8 g, 80% yield), Mass spec: 292 (M+H)
References:
WO2021/154966,2021,A1 Location in patent:Paragraph 0592; 0656-0658