反应详情

768 mg (1.19 mmol) of 2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-3-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)propanoic acid (racemate, purity 72%), 786 mg (4.76 mmol) of ethyl 4-aminobenzoate, 67.6 mg (476 μmol) of Oxima and 741 μl (4.76 mmol) of DIC in 11.5 ml of dimethylformamide were reacted according to General Method 5B. Preparative HPLC (acetonitrile/water gradient) gave the title compound. Yield: 331 mg (45% of theory)