Hydrochloric Acid → HCID 68583278, compound

Participants

Reaction Steps

tert-Butyl 4-[4-(2,5-dioxo-2,3,4,5-tetrahydro-1H-1-benzazepin-1-yl)butyl]piperazine-1-carboxylate from Example 61 (8.28 mmol, 3.44 g) in diethyl ether (40 ml) was admixed with saturated ethereal HCl (30 ml) and the mixture was stirred at room temperature for 12 h. The reaction mixture was then filtered and the resulting residue was washed with diethyl ether to obtain 0.93 g of the title compound.

Provenance & Evidence