反应详情

温度

5 °C

200 g 2-Methyl-3-nitro benzylalcohol is added to dichloromethane (2000 ml) and triethylamine (250 ml). Mesyl chloride is added drop wise while maintaining temperature between 0-10° C. and stirred until the completion of reaction. It is further stirred 2 hours at room temperature. Water is added to the reaction mixture and stirred for 10 minutes. Organic layer was separated and washed with brine. Dichloromethane was evaporated to yield the oily brown 2-Methyl-3-nitrobenzyl methanesulfonate (207-210 g).

1. stirringstirred for 10 minutes
2. customOrganic layer was separated
3. washwashed with brine
4. customDichloromethane was evaporated