O[N:2]=[C:3]1[C:7](=[O:8])[N:6]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[CH2:5][CH:4]1[CH2:15][C:16]([O:18][CH2:19][CH3:20])=[O:17]>CCO.[Pd]>[NH2:2][CH:3]1[C:7](=[O:8])[N:6]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[CH2:5][CH:4]1[CH2:15][C:16]([O:18][CH2:19][CH3:20])=[O:17]A solution of the product of example 63 in EtOH is hydrogenated with 10% palladium on carbon at 60 psi at 60° C. Filtration and purification of the product on silica gel affords the title compound.
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