反应详情

The product of stage (c) was boiled under reflux in benzene (5 ml) with thionyl chloride for 6 hours. Washing with water, drying over magnesium sulphate and running down gave, after recrystallisation from petroleum ether (bp 60°-80° C.), 0.6 g of title product, mp 70°-72° C.

1. washWashing with water
2. dry with materialdrying over magnesium sulphate
3. customrunning down gave
4. customafter recrystallisation from petroleum ether (bp 60°-80° C.), 0.6 g of title product, mp 70°-72° C.