反应详情

157 mg (255 μmol) of tert-butyl 4-({2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-3-[1-(trifluoromethyl)cyclopropyl]propanoyl}amino)benzoate (racemate) were hydrolysed with 393 μl (5.10 mmol) of trifluoroacetic acid according to General Method 2, and after preparative HPLC [column: Chromatorex C18, 10 μm, 125 mm×30 mm, mobile phase: acetonitrile/0.1% formic acid gradient (0 to 3 min 10% acetonitrile, to 35 min 90% acetonitrile and a further 3 min 90% acetonitrile)], the title compound was obtained. Yield: 94 mg (65% of theory)