反应详情

A solution of the intermediate from Step D in DCM/TFA (1/1, 5 ml) was stirred for 12 hours at RT. The reaction mixture was concentrated under reduced pressure and the crude reaction mixture was purified by column chromatography (DCM/MeOH: 95/5). The title compound was obtained as slightly brown solid.

1. concentrationThe reaction mixture was concentrated under reduced pressure
2. customthe crude reaction mixture
3. customwas purified by column chromatography (DCM/MeOH: 95/5)