Water → Methyl 5-(3-chlorophenylamino)benzo[c][2,6]naphthyridine-7-carboxylate

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Reaction Steps

Methyl 5-chlorobenzo[c][2,6]naphthyridine-7-carboxylate (1.0 eq, 48 mg, 0.176 mmol) and 3-chloroaniline (3.0 eq, 60 ul, 0.56 mmol) were stirred under microwave heating at 120° C. in NMP (0.3 ml) for 10 minutes. Water was added and the solid isolated by filtration. Trituration in methanol and filtration afforded methyl 5-(3-chlorophenylamino)benzo[c][2,6]naphthyridine-7-carboxylate as a solid (29 mg, 45% yield). LCMS (ES): >85% pure, m/z 364 [M+1]+.

Provenance & Evidence