反应详情

A solution of 4-{3-[2-fluoro-4-(3-methyl-4,10-dihydro-3H-2,3,4,9-tetraaza-benzo[f]azulene-9-carbonyl)-phenoxy]-propyl}-piperazine-1-carboxylic acid tert-butyl ester from Example E49.1 (615 mg, 1.09 mmol) in methanol (2 ml) at 0° C. was treated with 4N HCl in dioxan (5 ml). The solution was allowed to warm to room temperature and stirred for 1 h. Solvents were removed in vacuo to give a white foam identified as the title compound (585 mg, 100%).

1. customat 0° C.
2. customSolvents were removed in vacuo
3. customto give a white foam