1076-28-4
2-methyl-1-oxidoquinolin-1-ium
CAS: 1076-28-4
Molecular Formula: C10H9NO
1076-28-4 - Names and Identifiers
1076-28-4 - Physico-chemical Properties
| Molecular Formula | C10H9NO |
| Molar Mass | 159.18 |
| Density | 1.10±0.1 g/cm3(Predicted) |
| Melting Point | 65.0 to 69.0 °C |
| Boling Point | 315.0±35.0 °C(Predicted) |
| Maximum wavelength(λmax) | 319nm(EtOH)(lit.) |
| pKa | 1.27±0.30(Predicted) |
| Storage Condition | Room Temprature |
1076-28-4 - Reference Information
| Introduction | 2-methylquinoline N-oxide is an N-oxide. N-oxide is generally obtained by the corresponding tertiary amine oxidation, is a kind of important organic chemical intermediates, widely used in organic synthesis (as oxidants, reaction intermediates, A number of important structural units of biologically active substances). |
| preparation | 2-methylquinoline 143.1g(1mol) is dissolved in 30% of acetic acid, and of hydrogen peroxide () is added, it was then heated to 80 °c and stirred for 4-5 hours. The progress of the reaction was followed with a thin layer of silica gel and the solvent: ethyl acetate was developed until the reaction was complete. The acetic acid was evaporated under reduced pressure, the residue was dissolved in water, and an equal volume of dichloromethane was added and stirred. The dichloromethane layer was separated, dried over anhydrous sodium sulfate, concentrated and then separated by column (pure ethyl acetate) to obtain 2-methylquinoline N-oxide, light yellow solid 156g, yield 98% |
Last Update：2024-04-09 21:11:58
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CAS: 1076-28-4
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CAS: 1076-28-4
Tel: 18301782025
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