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CAS No. : | 216976-31-7 | MDL No. : | MFCD04115885 |
Formula : | C7H7FO | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | AYMBVFCWNCCREA-UHFFFAOYSA-N |
M.W : | 126.13 | Pubchem ID : | 3549669 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P280-P301+P312-P303+P361+P353-P304+P340-P305+P351+P338-P310 | UN#: | 3265 |
Hazard Statements: | H302-H314 | Packing Group: | Ⅲ |
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 |
---|---|---|
99% | (40b) 1-Fluoro-5-methylphenol A solution of 1-fluoro-3-methoxy-5-methylbenzene obtained in Example (40a) (0.92 g, 6.56 mmol) and boron tribromide (1.0 M solution in methylene chloride, 8.53 mL, 8.53 mmol) in methylene chloride (20 mL) was stirred at 0C for 10 hours. Water (100 mL) was added to the reaction solution, followed by extraction with methylene chloride (100 mL). Then, the organic layer was dried over anhydrous sodium sulfate. After concentration under reduced pressure, the residue was purified by silica gel chromatography (hexane:ethyl acetate, 1:1) to obtain the title compound (0.83 g, yield: 99%) as a yellow oil. 1H-NMR (CDCl3, 400 MHz) delta: 2.06 (3H, s), 4.97 (1H, s), 6.37 (1H, dt, J = 2.4, 10.2 Hz), 6.44 (1H, s), 6.48 (1H, d, J = 8.6 Hz). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
100% | With 1H-imidazole; In dichloromethane; at 0 - 20℃; for 2h; | Intermediate 4: 7-Fluorobenzofc] ' [1 ,2] oxaborole-1 ,5(3H)-diol[0512] To a solution of <strong>[216976-31-7]3-fluoro-5-methylphenol</strong> (19.7 g, 156 mmol) and tert- butyldimethylsilyl chloride (25.9 g, 172 mmol) in dichloromethane (250 mL) was added imidazole (12.7 g, 187 mmol) at 0 C, and the mixture was stirred at room temperature for 2 h. The mixture was washed with water and brine and dried on anhydrous sodium sulfate. The solvent was removed in vacuo, and the residue was purified by silica gel chromatography (98:2 hexane/ethyl acetate) to give tert-butyl(3- fluoro-5-methylphenoxy)dimethylsilane (38.6 g, 100%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With potassium carbonate; In acetonitrile; for 2h;Reflux; | To a solution of <strong>[216976-31-7]3-fluoro-5-methylphenol</strong> (25 g, 198 mmol, 1 equiv) in MeCN (400 mL) was added BnCl (27.6 mL, 238 mmol, 1.2 equiv) followed by K2C03(38.4 g, 277 mmol, 1.4 equiv). The yellow slurry was heated to reflux for 2 h. Upon cooling to ambient temperature, the reaction mixture was filtered.The filtrate was diluted with ether and washed with 1 N NaOH. The ether layer was dried (MgS04) and concentrated in vacuo to provide the product (30.4 g, 71%) as a yellow oil. 1H NMR (500 MHz, CDC13) delta 7.47 - 7.39 (m, 4H), 7.38 - 7.33 (m, 1H), 6.62 (d, J= 0.5 Hz, 1H), 6.56 - 6.50 (m, 2H), 5.05 (s, 2H), 2.34 (s, 3H). |
[ 160911-11-5 ]
1-Fluoro-3-methoxy-5-methylbenzene
Similarity: 0.90
[ 160911-11-5 ]
1-Fluoro-3-methoxy-5-methylbenzene
Similarity: 0.90