反应详情

To the above crude (E)-5-[1-(tert-butoxycarbonyl)-piperidin-4-yl]-1-(5-thia-1,8b-diazaacenaphthylen-4-yl)-1-penten-3-one was added 5 ml of concentrated hydrochloric acid and the mixture was stirred at room temperature for 15 minutes. To this reaction mixture was added ethanol, followed by stirring, and the resulting precipitate was recovered by filtration and rinsed serially with ethanol and diethyl ether to provide the title compound.

1. stirringby stirring
2. filtrationthe resulting precipitate was recovered by filtration
3. washrinsed serially with ethanol and diethyl ether