反应详情

8.7 g of t-butyl [2-(3-phenoxypyridine-2-carboxamido)ethyl]carbamate were reacted with trifluoroacetic acid in an analogous manner to that described in Example 3, paragraph 2. The residue was converted into the hydrochloride which was recrystallized twice from ethanol/ether, whereby there was obtained N-(2-aminoethyl)-3-phenoxypyridine-2-carboxamide hydrochloride as white crystals, m.p. 180°-186°.

1. customwas recrystallized twice from ethanol/ether