30148-23-3
2,2,2-trichloro-1-(1-methyl-1H-imidazol-2-yl)ethan-1-one
CAS: 30148-23-3
Molecular Formula: C6H5Cl3N2O
30148-23-3 - Names and Identifiers
30148-23-3 - Physico-chemical Properties
| Molecular Formula | C6H5Cl3N2O |
| Molar Mass | 227.48 |
| Density | 1.56±0.1 g/cm3(Predicted) |
| Melting Point | 83-84 °C |
| Boling Point | 272.3±50.0 °C(Predicted) |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Appearance | Solid |
| Color | Pale Beige to Beige |
| pKa | 2.17±0.25(Predicted) |
| Storage Condition | Amber Vial, -20°C Freezer, Under inert atmosphere |
| Stability | Light Sensitive, Moisture Sensitive |
30148-23-3 - Reference Information
| Use | 1-methyl-2-trichloroacetylimidazole is an organic intermediate, which can be obtained by one-step reaction of trichloroacetyl chloride and N-methylimidazole. It has been reported that it can be used to prepare C- 2 substituted imidazole chiral ionic liquids. |
| preparation | synthesis of 1-methyl -2-trichloroacetyl imidazole: under the protection of nitrogen, add 7mL(11.2g,61mmol) trichloroacetyl chloride and 40 mLCH2Cl2 into a 100mL three-mouth bottle. Fill 5mL(5.00g, 63mmol)1-methylimidazole and 30mL CH2Cl2 in a constant pressure funnel, slowly drop into a three-mouth bottle, add the drops for about 2 hours, and continue stirring at room temperature for 8 hours. The reaction mixture was cooled to 0°C in an ice water bath, 8.8mL triethylamine was added dropwise, and stirred for another 1h. Filtration, the filtrate is reduced pressure to remove the solvent, and recrystallized (n-hexane is used as solvent) to obtain 9.43g of white crystals with 68% yield. Mp76 ℃ ~ 77 ℃. MS(EI)m/z 226 (m, the theoretical value of the C6H5N2OCl3 is 226). |
Last Update：2024-04-09 21:01:54
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