反应详情

The product from step (i) (5.10 g) was dissolved in methanol (20 ml) and 6N NaOH (20 ml) and heated to reflux for 6 h. The mixture was diluted with 2M HCl, extracted with ethyl acetate, dried (MgSO4) and evaporated under reduced pressure to give a white solid (5.10 g).

1. temperatureto reflux for 6 h
2. extractionextracted with ethyl acetate
3. dry with materialdried (MgSO4)
4. customevaporated under reduced pressure