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CAS No. : | 49617-83-6 | MDL No. : | MFCD00019016 |
Formula : | C7H6BrI | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | BACZSVQZBSCWIG-UHFFFAOYSA-N |
M.W : | 296.93 | Pubchem ID : | 2759361 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | 3261 |
Hazard Statements: | 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 |
---|---|---|
99% | With sodium hydride; In N,N-dimethyl-formamide; at 0 - 20℃; for 4h; | Example 7D Diethyl [(tert-butoxycarbonyl)amino](3-iodobenzyl)malonate 25 g (84.2 mmol) of 3-iodobenzyl bromide are added to a solution of 24.3 g (88.4 mmol) of diethyl [(tert-butoxycarbonyl)amino]malonate and 3.7 g (92.6 mmol) of sodium hydride in 300 ml of DMF while cooling in ice. After stirring the mixture at RT for 4 h, 5 ml of water are added cautiously while cooling in ice. The mixture is extracted several times with ethyl acetate, and the combined organic phases are washed with a saturated sodium chloride solution and water, dried over magnesium sulfate and concentrated in vacuo. The crude product is dried under high vacuum. Yield: 43 g (99% of theory) HPLC (method 11): Rt=5.60 min. 1H-NMR (300 MHz, DMSO-d6): δ=1.18 (t, 6H), 1.44 (s, 9H), 3.40 (s, 2H), 4.05-4.25 (m, 2H), 6.4 (br. s, 1H), 7.02 (d, 1H), 7.10 (t, 1H), 7.35 (s, 1H), 7.61 (d, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
General procedure: The mixture of stirred DTET (100 mg, 0.16 mmol) and NaH (20 mg,0.83 mmol) was dissolved in 2 mL DMF at 0 C. Then, R1Br (0.5 mmol)dissolved in 0.5 mL DMF was added to the DTET solution, and themixture was stirred at 0 C for 6 h, then heated to 92 C until the TLCanalysis showed that the reaction was completed. The temperature ofthe mixture was cooled to room temperature and vacuum evaporated.The residue was purified using aluminum column chromatography, and4a-4 h were obtained using CH2Cl 2/CH3OH as the eluent. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86.7% | General procedure: The mixture of stirred DTET (100 mg, 0.16 mmol) and NaH (20 mg,0.83 mmol) was dissolved in 2 mL DMF at 0 C. Then, R1Br (0.18 mmol)dissolved in 0.5 mL DMF was added to the DTET solution, and themixture was stirred until the TLC analysis showed that the reaction wascompleted. The temperature of the mixture was cooled to room temperatureand vacuum evaporated. The residue was purified using aluminumcolumn chromatography, and 3a-3m were obtained usingCH2Cl2/CH3OH as the eluent |
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