[C:1]([C:4]1[CH:5]=[C:6]([CH:10]=[C:11]([C:13]2[CH:18]=[CH:17][C:16]([CH3:19])=[CH:15][N:14]=2)[CH:12]=1)[C:7]([OH:9])=[O:8])([CH3:3])=[CH2:2].[H][H]>C(O)C.[Pd]>[CH:1]([C:4]1[CH:5]=[C:6]([CH:10]=[C:11]([C:13]2[CH:18]=[CH:17][C:16]([CH3:19])=[CH:15][N:14]=2)[CH:12]=1)[C:7]([OH:9])=[O:8])([CH3:3])[CH3:2]To a solution of 3-isopropenyl-5-(5-methylpyridin-2-yl)benzoic acid (150 mg, 0.592 mmol) in ethanol (11.8 mL) was added 10% palladium on carbon (50.0 mg, 0.047 mmol) and the mixture was placed under 1 atm of hydrogen. After 1 h, filtration and concentration gave the crude title compound (150 mg). MS 256.2 (M+1).
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