反应详情

The product from step (i) (1.1 g) was dissolved in methanol/DCM (1/1, 40 ml). 4N—HCl in dioxane (10 ml) was added and the mixture stirred at rt for 20 h. The resultant was concentrated under reduced pressure, which afforded the subtitle compound. Yield 0.9 g.

1. concentrationThe resultant was concentrated under reduced pressure, which