Pyridine → HCID 178490841, compound

Participants

Reaction Steps

A mixture of 3-amino-7,9-dimethoxy-5-(4-methoxybenzyl)-2-(4-phenoxyphenyl)-2,5-dihydro-4H-pyrazolo[4,3-c]quinolin-4-one (500 mg), magnesium bromide (168 mg) and pyridine (10 ml) was heated under reflux for 2 days, added water thereto after cooling. The precipitated solid was collected by filtration, washed with water, and purified with silica gel column chromatography to obtain the target compound (360 mg).

Provenance & Evidence