Ammonia → gamma,4-Dimethylcyclohexene-1-propan-1-amine

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Reaction Steps

830 g of 3-(1-methylcyclohexen-4-yl)-butyraldehyde were dissolved in 800 ml of liquid ammonia in a stirrer autoclave and hydrogenated under a hydrogen pressure of 100 bar over 50 g of Raney nickel iron at 90° C. After evaporation of the solvent, the product was filtered from the catalyst and distilled under vacuum. 720 g (86%) of 3-(1-methylcyclohexen-4-yl)-butylamine, bp.10 120° C., were obtained.

Provenance & Evidence