HCID 18765904, compound → HCID 18765875, compound

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A mixture of dimethyl 4-(2,6-dichlorophenyl)-2-(2-methoxy-2-oxoethyl)-6-[2-(2-nitrophenyl)ethyl]-1,4-dihydro-3,5-pyridinedicarboxylate (3.0 g) and palladium hydroxide, 20 wt % on carbon (300 mg) in MeOH (50 ml) was stirred under hydrogen atmosphere by balloon for 4 hours. Catalyst was removed by filtration and filter cake was washed with CH2Cl2. The combined organic solvent was evaporated to afford a dark green solid (2.61 g192%).

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