C1(C[N:8]2[CH2:13][CH2:12][CH:11]([N:14]3[CH:18]=[N:17][NH:16][C:15]3=[O:19])[CH2:10][CH2:9]2)C=CC=CC=1.C1CC=CCC=1.C(O)C>[OH-].[Pd+2].[OH-].O>[NH:8]1[CH2:9][CH2:10][CH:11]([N:14]2[CH:18]=[N:17][NH:16][C:15]2=[O:19])[CH2:12][CH2:13]12,4-Dihydro-4-[1-(phenylmethyl)-4-piperidinyl]-3H-1,2,4-triazol-3-one (Example 64(b)) (2.2 g) was divided between 2, 10 mL vials. 1,4-Cyclohexadiene (5 mL) and palladium hydroxide (270 mg, 20 wt. % on carbon) were added to each vial and the reactions were heated at 100° C. for 30 minutes within a microwave. The reaction mixtures were combined, ethanol (50 mL) and water (50 mL) were added and the mixture was filtered through diatomaceous earth and evaporated to give the sub-title compound as a solid (720 mg).
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