反应详情

Two fractions, 312 mg (purity 87%, 0.59 mmol) and 86 mg (0.19 mmol) of 2-{4-[5-chloro-2-(difluoromethoxy)phenyl]-5-methoxy-2-oxopyridin-1(2H)-yl}-3-[(2S)-tetrahydro-2H-pyran-2-yl]propanoic acid (mixture of enantiomerically pure diastereomers 1 and 2), were reacted with in total 202 mg (1.23 mmol, 1.6 eq.) of ethyl 4-aminobenzoate according to General Method 5B. Yield: 315 mg (83% of theory)