[CH3:1][C:2]1([CH3:26])[CH2:6][CH2:5][C:4]([CH3:8])([CH3:7])[CH:3]1[NH:9][C:10](=[O:25])[C:11]([NH:14]C(OCC1C=CC=CC=1)=O)([CH3:13])[CH3:12]>CO.[Pd]>[CH3:1][C:2]1([CH3:26])[CH2:6][CH2:5][C:4]([CH3:7])([CH3:8])[CH:3]1[NH:9][C:10](=[O:25])[C:11]([NH2:14])([CH3:13])[CH3:12]N-Cbz-2-aminoisobutyric acid 2,2,5,5-tetramethylcyclopentyl amide is dissolved in CH3OH and is hydrogenated over 5% Pd/C in a Parr hydrogenation apparatus. When the reaction is complete the mixture is filtered through Celite and concentrated to yield 2-aminoisobutyric acid 2,2,5,5-tetramethylcyclopentyl amide.
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