C([O:8][C:9]1[CH:14]=[CH:13][C:12]([Cl:15])=[CH:11][C:10]=1[C:16]1[CH:17]=[N:18][CH:19]=[N:20][CH:21]=1)C1C=CC=CC=1>[Pd].C(O)C>[Cl:15][C:12]1[CH:13]=[CH:14][C:9]([OH:8])=[C:10]([C:16]2[CH:21]=[N:20][CH:19]=[N:18][CH:17]=2)[CH:11]=1A mixture of the product from step (iii) (0.28 g), 10% palladium on carbon (0.04 g) in ethanol (20 ml) was hydrogenated at 2 Bar for 24 h. After filtration the solvent was evaporated under reduced pressure. Yield 0.19 g
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