4-Nitro-N-(tert-octyl)benzamide → 4-Amino-N-(2,4,4-trimethylpentan-2-yl)benzamide

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4-Nitro-N-(tert-octyl)benzamide (30 g, 0.108 mol) dissolved in 200 ml of ethyl acetate is hydrogenated for 1 hour 15 minutes at a temperature of 70-75° C. in a 500 ml hydrogenator in the presence of 4.8 g of 10% palladium-on-charcoal comprising 50% water as catalyst (hydrogen pressure: 8-10 bar). After filtering, concentrating the solvent and drying under vacuum, 20.4 g (Yield: 76%) of 4-amino-N-(tert-octyl)benzamide are obtained in the form of a pale yellow powder which is used as is in the following stage.

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