[CH3:1][C:2]1[N:12]=[C:11]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[CH:10]=[CH:9][C:3]=1[C:4]([O:6]CC)=[O:5].[OH-].[Na+]>C(O)C>[CH3:1][C:2]1[N:12]=[C:11]([C:13]2[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=2)[CH:10]=[CH:9][C:3]=1[C:4]([OH:6])=[O:5]Ethyl 2-methyl-6-phenylnicotinate (D18) (284 mg, 1.2 mmol) was treated with aq. 2M NaOH in ethanol at reflux giving the title compound as an off white solid (108 mg). MS (AP): MH+ 214, M-H+ 212.
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