Hydrochloric Acid → HCID 178469778, compound

Participants

Reaction Steps

Cooled with ice bath, 4M hydrochloric acid in dioxane (4.0 mL) was added to ethyl 5-[(1H-pyrrolo[2,3-b]pyridin-3-yl)methylene]-2-({2-[(2-methoxyethoxy)methoxy]ethyl}-N-methylamino)-4-oxo-4,5-dihydrofuran-3-carboxylate (0.020 mg, 0.046 mmol) which afforded in the Example 201. The mixture was stirred at ambient temperature for 3 h. The solvent was removed under reduced pressure, and the precipitate was suspended in diethyl ether, then collected by filtration. The solid was washed with diethyl ether then dried to afford the titled compound as solid (0.012 g, y. 75%).

Provenance & Evidence