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CAS No. : | 23786-14-3 | MDL No. : | MFCD00008454 |
Formula : | C10H12O3 | Boiling Point : | - |
Linear Structure Formula : | CH3OC6H4CH2CO2CH3 | InChI Key : | ZQYLDVNTWDEAJI-UHFFFAOYSA-N |
M.W : | 180.20 | Pubchem ID : | 90266 |
Synonyms : |
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Signal Word: | Danger | Class: | 3 |
Precautionary Statements: | P210-P403+P235 | UN#: | 3272 |
Hazard Statements: | H225 | 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 |
---|---|---|
91% | With potassium <i>tert</i>-butylate In tetrahydrofuran at -78 - 20℃; for 1 h; | To a solution of methyl 2-(4-methoxyphenyl)acetate (10.0 g, 55.49 mmol) in THF (100 mL) at -78 °C was added methyl iodide (23.64 g, 166.5 mmol) very slowly. KO?-Bu (18.68 g, 166.5 mmol) was then added portionwise over 30 min and the reaction mixture was stirred at -78 °C for 1 h followed by rt for another 1 h. The reaction was quenched by the addition of water (25 mL) and extracted with EtOAc (2 x 250 mL). The organic layer was dried over Na2S04 and concentrated to obtain the title compound (10.46 g, 91percent). |
75.59% | at -60℃; for 0.5 h; | To a solution of methyl 2-(4-methoxyphenyl)acetate (4.0 g, 22.22 mmol) in THF (25 mL), was added iodomethane (9.45 g, 66.66 mmol) and the reaction mixture was cooled to -60 °C, followed by addition of potassium tert-butoxide (7.48 g, 66.66 mmol) portion wise. The reaction mixture was stirred for 30 minutes at the same temperature. After completion of the reaction, water (30 mL) was added into the reaction mixture at -60 °C and extracted with ethyl acetate (2 x 250 mL). The combined organic layers were dried over NaiSC and concentrated to obtain a crude product which was purified by silica gel column chromatography using 2.5percent EtOAc/hexanes to provide the title compound (3,52 g, 75,59percent). |