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CAS No. : | 61326-44-1 | MDL No. : | MFCD00667761 |
Formula : | C26H16Br4 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | BIRLDGKMJJEZRI-UHFFFAOYSA-N |
M.W : | 648.02 | Pubchem ID : | 11828419 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | |
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 |
---|---|---|
3.1 g | In N,N-dimethyl-formamide; for 60h;Reflux; Inert atmosphere; | TPE-4Br (6.67 g) , CuCN (5.0 g, 56 mmol) , and DMF (50 mL) were added into a two-necked round bottom flask. The mixture was heated at reflux for 60 hours under nitrogen conditions and then suspended into 300 mL of water. After ethylenediamine (10 mL) was added, the resulting mixture was stirred at 100 for 1 hour and was then filtered. The precipitated solid was extracted with dichloromethane (3 × 150 mL) and the combined organic phase was dried with anhydrous magnesium sulfate. After filtration and solvent evaporation, the residue was repeatedly purified by silica gel column chromatography with hexane and dichloromethane (v/v, 1/1) as eluent to give TPE-4CN 3.1 g in 70%yield as a white solid.1H NMR (CDCl3, 500 MHz) : δ (ppm) 7.48 (t, J = 5.0 Hz, 8H) and 7.08 (t, J = 5.0 Hz, 8H) . HRMS (MALDI-TOF) , m/z calcd. for C30H16N4: 432.1375; found 432.1379. |
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