反应详情

温度

20 °C

To a stirred solution of compound 4 (963 g, 3.56 mol) in anhydrous DCM (2000 mL) was added slowly SOCl2 (535 g, 4.5 mol) at 0° C. The mixture was stirred at 20° C. for 2 hours, then concentrated in vacuo to give compound 5 as an oil, which was used in the next reaction without further drying or purification.

1. concentrationconcentrated in vacuo