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CAS No. : | 58530-13-5 | MDL No. : | MFCD02684926 |
Formula : | C8H7BrO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | NWOMVQDBDBUANF-UHFFFAOYSA-N |
M.W : | 215.04 | Pubchem ID : | 3433127 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
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 |
---|---|---|
93.8% | at 0 - 80℃; for 2 h; | To a solution of Compound 1 (5 g, 0.023 mol) in SOC12 (30 mL) was added MeOH (1.104 g, 0.035 mol) under 0° C. And the solution was stirred at 80° C. for 2 h. Then the solution was cooled to 18° C. and concentrated to remove the solvent. It was washed with water (20 mL) and extracted with EA (100 mL), dried over Na2SO4, concentrated to give compound 2 (5.3 g, 93.8percent). LCMS: 229 [M+1] |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
100% | at 20℃; for 2 h; | Preparation 7 Step 1: To a RT solution of 3-bromo-5-methylbenzoic acid (1 g, 4.6 mmol) in MeOH/ toluene (1/5,12 ml) was added slowly (trimethysilyl) diazomethane (2.0 M in hexanes, 2. 76 ML, 5.527 MMOL). The mixture was stirred for 2 h at RT. The solvent was evaporated under reduced pressure and the residue was diluted with EtOAc and water. The organic layer was separated and the aqueous layer was extracted twice with EtOAc. The combined organic layers were dried over NA2SO4 and concentrated. The crude material was purified by chromatography over silica gel (100percent hexane) to give the product (1.1 g, 100percent). MS M/E 230 (M+H) +. |