IMidazo[1,2-a]pyrazine, 6,8-dibroMo-
6,8-dibromoimidazo[1,2-a]pyrazine
CAS: 63744-22-9
Molecular Formula: C6H3Br2N3
IMidazo[1,2-a]pyrazine, 6,8-dibroMo- - Names and Identifiers
| Name | 6,8-dibromoimidazo[1,2-a]pyrazine |
| Synonyms | 8-dibroMoiMidazo[1 6,8-Dibromimidazo[1,2-a]pyrazin 6,8-dibromoimidazo[1,2-a]pyrazine 6,8-DIBROMOIMIDAZO[1,2-A]PYRAZINE 6,8-Dibromoimidazol[1,2-a]pyrazine IMidazo[1,2-a]pyrazine, 6,8-dibroMo- Imidazo[1,2-a]pyrazine, 6,8-dibromo- |
| CAS | 63744-22-9 |
| EINECS | 811-059-4 |
| InChI | InChI=1/C6H3Br2N3/c7-4-3-11-2-1-9-6(11)5(8)10-4/h1-3H |
IMidazo[1,2-a]pyrazine, 6,8-dibroMo- - Physico-chemical Properties
| Molecular Formula | C6H3Br2N3 |
| Molar Mass | 276.92 |
| Density | 2.35±0.1 g/cm3(Predicted) |
| Melting Point | 165.0 to 169.0 °C |
| Water Solubility | Slightly soluble in water. |
| pKa | -0.36±0.30(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.802 |
| MDL | MFCD08460056 |
| Use | This product is for scientific research only and shall not be used for other purposes. |
IMidazo[1,2-a]pyrazine, 6,8-dibroMo- - Reference Information
| Application | 6, 8-dibromoimidazolo [1,2a] pyrazine is an important pharmaceutical intermediate, 6, 8-dibromo-imidazolo [1,2-A] pyrazine can also be used to prepare novel compounds for organic electroluminescent devices with improved performance. |
| preparation | 2-amino -3,5-dibromopyrazine (2.53g,10mmol), chloroacetaldehyde (1.96g, 10mmol) and acetonitrile 10ml were added to a 50mL single-mouth round bottom flask. The mixture in the reaction flask was stirred for 10 hours at 80°C. TLC and GC determined that the reaction was complete. after the reaction, the solvent was removed by spin evaporation to obtain the crude product, and the pure product 6, 8-dibromoimidazolium and [1,2a] pyrazine was separated by silica gel column chromatography. after drying, the yield was calculated to be 61.73%, the purity was 98.30%(HPLC), and the melting point was 114 ℃-117 ℃. Nuclear magnetic resonance analysis: 1HNMR(400Hz, deuterated chloroform) δ:8.288(d,1H),7.887(dd,1H),7.793(dd,1H). |
Last Update：2024-04-09 19:05:04
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