HCID 13079820, compound → HCID 13079828, compound

Participants

Reaction Steps

5-(p-Chlorophenyl)-2-methyl-3-ethoxycarbonylpyridine (25 g) was suspended in sodium hydroxide (3.99 g) in ethanol (100 ml) and water (50 ml). Stirring at room temperature for 3 hours gave a solution which was concentrated to dryness. The residue was dissolved in water and the solution washed with ethyl acetate; its pH was then brought to 5. The product which precipitated was collected, washed well with water and then with acetone and then dried to give the title compound (20.94 g), m.p. 297°-300° (dec).

Provenance & Evidence