[CH3:1][N:2]1[CH2:8][CH:7]=[CH:6][CH2:5][C@H:4]([NH:9][C:10](=[O:16])[O:11][C:12]([CH3:15])([CH3:14])[CH3:13])[C:3]1=[O:17].[H][H]>CO.[Pd]>[CH3:1][N:2]1[CH2:8][CH2:7][CH2:6][CH2:5][C@H:4]([NH:9][C:10](=[O:16])[O:11][C:12]([CH3:13])([CH3:15])[CH3:14])[C:3]1=[O:17]To a degassed solution of 1,1-dimethylethyl [(3S)-1-methyl-2-oxo-2,3,4,7-tetrahydro-1H-azepin-3-yl]carbamate (Example 94) (680 mg, 2.8 mmol) in MeOH (20 mL) was added 10% Pd/C (100 mg) and the resulting suspension was stirred overnight under a balloon of hydrogen. Filtration of the catalyst and concentration of the filtrate under reduced pressure yielded 1,1-dimethylethyl [(3S)-1-methyl-2-oxohexahydro-1H-azepin-3-yl]carbamate (470 mg, 88%). LCMS: (M−tBut)+: 186.2.
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