Hydrochloric Acid → 6-{[6-(2-Ethylphenyl)-5-(4-methoxyphenyl)furo[2,3-d]pyrimidin-4-yl]amino}hexanoic acid

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Reaction Steps

Dissolve 45 mg (0.10 mmol) 6-{[6-(2-ethylphenyl)-5-(4-methoxyphenyl)furo[2,3-d]pyrimidin-4-yl]amino}hexanoic acid methyl ester in 2.0 ml dioxan and add 0.5 ml 1 N sodium hydroxide solution. Stir for 16 h at RT, then add 0.5 ml 1 N hydrochloric acid and 5 ml ethyl acetate. Separate the organic phase, dry over sodium sulphate, filter and concentrate by evaporation. 38 mg (87% of theor.) of the target compound is obtained.

Provenance & Evidence