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CAS No. : | 3196-15-4 | MDL No. : | MFCD00009666 |
Formula : | C5H9BrO2 | Boiling Point : | - |
Linear Structure Formula : | CH3CH2CHBrCOOCH3 | InChI Key : | UFQQDNMQADCHGH-UHFFFAOYSA-N |
M.W : | 181.03 | Pubchem ID : | 95577 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P210-P260-P264-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P370+P378-P403+P235-P405-P501 | UN#: | 3265 |
Hazard Statements: | H227-H314 | Packing Group: | Ⅱ |
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 |
---|---|---|
96% | With caesium carbonate; In N,N-dimethyl-formamide; at 60℃; for 2h; | <strong>[2105-96-6]4-<strong>[2105-96-6]fluoro-3-nitrophenol</strong></strong> (500 mg, 3.18 mmol) was dissolved in DMF (6365 mu) at room temperature. Cesium Carbonate (1244 mg, 3.82 mmol) was added followed by methyl 2-bromobutanoate (403 mu, 3.50 mmol). The mixture was stirred at 60 °C. After 2 hours, the reaction was diluted with water and brine (1 : 1) and extracted with EtOAc. The organics were combined, dried with sodium sulfate, filtered, and concentrated in vacuo. The crude oil was dried on high vac to give intermediate 80A (tan oil, 787 mg, 3.06 mmol, 96 percent yield) as a tan oil. LC-MS Anal. Calc'd for C11H12FNO5 257.70, Tr = 0.92 min (Method A) (Note: product does not ionize well). NMR (400 MHz, chloroform-d) delta: 7.51 (dd, J=5.9, 2.9 Hz, 1H), 7.13-7.23 (m, 2H), 4.60 (dd, J=6.7, 5.4 Hz, 1H), 3.77 (s, 3H), 1.96-2.09 (m, 2H), 1.08 (t, J=7.4 Hz, 3H) |
[ 868-72-4 ]
Dimethyl 2,5-dibromohexanedioate
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[ 868-72-4 ]
Dimethyl 2,5-dibromohexanedioate
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