反应详情

A solution of (RS) ethyl 3-(6-acetylamino-pyrid-3-yl)-butanoate (25.56 g, Reference Example 21) in aqueous hydrochloric acid (500 mL, 6M) was heated at 100° C. for 3.5 hours, then cooled and then evaporated to give the title compound as a crystalline solid.

1. temperaturecooled
2. customevaporated