反应详情

温度

0 °C

To the compound (5.9 g) obtained in Step 1 were added methanesulfonyl chloride (3.1 ml), triethylamine (9.0 ml) and dichloromethane (150 ml), and the mixture was stirred at 0° C. for 2 hrs. The mixture was diluted with dichloromethane and, after washing with water, the organic layer was dried over anhydrous magnesium sulfate. The solvent was evaporated to give the title compound as a crude product.

1. washafter washing with water
2. dry with materialthe organic layer was dried over anhydrous magnesium sulfate
3. customThe solvent was evaporated