反应详情

A mixture of [4-(2-oxo-2H-pyran-4-yloxy)-naphthalen-1-yl]-carbamic acid tert-butyl ester (0.287 g) and HCl (2 mL of a 4N solution in dioxane) in 4 mL of dioxane was stirred overnight, diluted with ether and filtered. The filtrate was dried providing 4-(4-amino-naphthalen-1-yloxy)-pyran-2-one hydrochloride salt.

1. filtrationfiltered
2. customThe filtrate was dried