Benzonitrile, 4-fluoro-2-(methylthio)- synthesis
- Product Name:Benzonitrile, 4-fluoro-2-(methylthio)-
- CAS Number:410545-57-2
- Molecular formula:C8H6FNS
- Molecular Weight:167.2
Yield:-
Reaction Conditions:
in toluene at 20; for 18 h;Inert atmosphere;
Steps:
38.1
In a round bottom flask under at room temperature under a nitrogen atmosphere was placed 2,4-difluorobenzonitrile (5.00 g, 35.971 mmol) in toluene (100 ml) upon which was added sodium methanethiolate (2.52 g, 35.97 mmol). This same resulting gray mixture was stirred at room temperature 18h. The light gray mixture was filtered through a SiO2 pad (5 X 3 cm), washed with EtOAc (50 ml) and concentrated in vacuo to afford a light yellow powder. This same yellow powder was subjected to SiO2 chromatography elution with Hexane: EtOAc afforded the title compound as a white powder. MS (ESI) m/z 198.2; HRMS: calcd for C8H6FNO2S + H+, 200.01760; found (ESI, [M+H]+ Obs'd), 200.0178.
References:
WO2010/59627,2010,A1 Location in patent:Page/Page column 72
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