Hydrochloric Acid → Methyl 2-amino-6-{[3-fluoro-4-(1H-pyrrolo[2,3-b]pyridin-4-yloxy)phenyl]amino}-pyrimidine-4-carboxylate

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Reaction Conditions

Reaction Steps

0.209 g (1.12 mmol) of methyl 2-amino-6-chloropyrimidine-4-carboxylate (prepared according to G. Doyle Daves, Fred Baiocchi, Roland K. Robins, and C. C. Cheng, J. Org. Chem., 26 (1961), 2755-2763) and 0.4 g (1.12 mmol) of [3-fluoro-4-(1H-pyrrolo[2,3-b]pyridin-4-yloxy)phenyl]amine (example XIX) are suspended in 5 ml of water and 5 ml of ethanol. 0.11 ml (1.34 mmol) of 37% strength hydrochloric acid is added. The mixture is stirred at 100° C. for 18 hours. After cooling, the mixture is neutralized using an aqueous saturated sodium bicarbonate solution. The resulting precipitate is filtered off with suction and dried. This gives 0.46 g of product (68% of theory).

Provenance & Evidence