反应详情

5-1 was prepared from [3-(2,2-difluoro-2-pyridin-2-yl-ethylamino)-6-methyl-2-oxo-2H-pyrazin-1-yl]-acetic acid and 2,2-difluoro-2-(2-pyridyl)ethyl amine essentially according to the procedure of Example 1, Step K. Mass Spectrum: Found: (M+1)465.2.