1,4-Dioxane hydrochloride → HCID 67503282, compound

Participants

Reaction Steps

tert-Butyl (1-{4-[2-(4-nitrophenyl)-9H-imidazo[1,2-d]pyrido[2,3-b][1,4]benzodiazepin-3-yl]phenyl}cyclobutyl)carbamate (7.70 mg, 0.0128 mmol) was dissolved in DCM (0.5 mL). 4M HCl/dioxane (0.5 mL) was added to the mixture and stirred at room temperature for 4 hours. The mixture was concentrated and solidified with ether. The precipitated solids were collected by filtration and washed with ether to afford desired product (8.04 mg, quant.) as an orange solid. 1HNMR (DMSO-d6) 400 MHz δ: 8.72 (br s, 2H), 8.65 (s, 1H), 8.19-8.14 (m, 2H), 8.13-8.10 (m, 1H), 8.00-7.96 (m, 1H), 7.73-7.68 (m, 2H), 7.62-7.56 (m, 2H), 7.42-7.36 (m, 3H), 7.33-7.29 (m, 1H), 7.18-7.12 (m, 1H), 6.96-6.92 (m, 1H), 6.75 (dd, J=8.0, 4.8 Hz, 1H), 2.69-2.44 (m, 4H), 2.28-2.15 (m, 1H), 1.93-1.78 (m, 1H); LCMS: 501 [M+H].

Provenance & Evidence