反应详情

A mixture of 5 g of the product of Stage C, 80 ml of ethyl acetate and 3.5 ml of 6.6N hydrochloric acid in ethanol was ice-cooled, separated, washed with ethyl acetate and dried under reduced pressure at 80° C. to obtain 5 g of the expected product melting at 230° C.

1. temperaturecooled
2. customseparated
3. washwashed with ethyl acetate
4. customdried under reduced pressure at 80° C.