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CAS No. : | 120484-50-6 | MDL No. : | MFCD00671762 |
Formula : | C9H9FO2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | POHCKHGBDOTACV-UHFFFAOYSA-N |
M.W : | 168.17 | Pubchem ID : | 2737355 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
100% | With hydrogenchloride; methyl magnesium iodide; In diethyl ether; | Step A 2'-Fluoro-6'-methoxyacetophenone A mixture of <strong>[94088-46-7]2-fluoro-6-methoxybenzonitrile</strong> (15.94 g, 105.5 mmol) and a solution of methyl magnesium iodide in diethyl ether (3 M, 46.0 cm3, 137 mmol) was heated to 100 C. for 18 h. Upon cooling to room temperature, aqueous hydrochloric acid (3 M, 94 cm3) was added and the mixture was heated to reflux to for 4 h. When the reaction had cooled to room temperature the organic layer was separated and the aqueous phase was extracted with ethyl acetate (100 cm3). The combined organic extracts were washed with brine (100 cm3) before being dried (Na2SO4). The solvent was removed in vacuo to afford the title compound as an oil (117.7 g, 100%). |
With methylmagnesium bromide; In benzene; | Example 5 Preparation of 2-fluoro-6-methoxyacetophenone (5): To a flask containing methyl magnesium bromide (1.18 g, 9.93 mmol) in ether is added dropwise <strong>[94088-46-7]2-fluoro-6-methoxybenzonitrile</strong> (0.5 g, 3.31 mmol, Lancaster Synthesis Inc.) in benzene (9 ml). The reaction mixture is refluxed overnight. The reaction is cooled to room temperature and quenched slowly with saturated ammonium chloride (15 ml) and concentrated hydrochloric acid (1 ml). The mixture is extracted with diethyl ether (2*50 ml). The combined organic layers are dried over Na2 SO4, filtered, and rotary evaporated to give 0.55 g of a crude yellow material. Purification is accomplished by vacuum column (eluding with 16% ethyl acetate in hexane). The compoundcontaining fractions are combined, yielding 5. |
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