Hydrochloric Acid → HCID 21190223, compound

Participants

Reaction Steps

To a solution of 3.58 g (10.0 mmol) of 4,5-dihydro-4-[4-(tert-butoxycarbonylamino)butan-1-yl]-3H-1,4,8b-triazaacenaphthylene-3,5-dione in 30 ml of methanol was added 15 ml of conc. HCl. The mixture was stirred for one hour at room temperature. The solvent was distilled off. To the residue were added ethanol and ether. The resulting precipitate was collected by filtration and dried to give 3.28 g of the desired compound (99.1%, white solid), m.p.250.0-252.0° C.

Provenance & Evidence