Molecular Formula | C9H10O4S |
Molar Mass | 214.24 |
Density | 1.266±0.06 g/cm3(Predicted) |
Melting Point | 118-120 °C |
Boling Point | 377.8±34.0 °C(Predicted) |
Flash Point | 182.3°C |
Vapor Presure | 6.58E-06mmHg at 25°C |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.518 |
application | methyl 4-methylsulfonyl benzoate is an aryl sulfone compound, which can be used as an intermediate in pharmaceutical synthesis and an intermediate in organic synthesis, and is mainly used in laboratory research and development process and chemical pharmaceutical synthesis process. |
preparation | in a reaction tube, add 262mg of ethyl p-iodide (MW = 262.04,1.0mmol), then add 153mg of sodium methyl sulfonate (MW = 102.09,1.2mmol, content 80%),28mgL-proline sodium salt (MW = 137.05,0.2mmol),19mgCuI(MW = 190.45,0.1mmol),2mlDMSO is used as a solvent, under the protection of nitrogen, react in an oil bath at 80 ℃ for 36 hours, cool, add 4 ml of water, extract with 10 ml of ethyl acetate each time, repeat three times, wash the extract with saturated salt water, dry with anhydrous sodium sulfate, filter, distill the filtrate under reduced pressure, and separate it through a silica gel column (eluent petroleum ether: ethyl acetate = 3: 1) to obtain 158mg of the product 4-methylsulfonyl benzoate with a yield of 77%. |