4-Nitrophenol → 4-(4-nitrophenoxy)-6-phenyl-7H-pyrrolo[2,3-d]pyrimidine

Participants

Reaction Conditions

Reaction Steps

After adding 123 mg of 4-nitrophenol, 136 mg of potassium carbonate and 1.5 ml of dimethylformamide to 113 mg of the 4-chloro-6-phenyl-7H-pyrrolo[2,3-d]pyrimidine described in WO97/02266 and PCT/EP96/02728, and stirring the mixture for 15 hours at 130-135° C., and additional 60 mg of 4-nitrophenol and 75 mg of potassium carbonate were added and the mixture was stirred for 6 hours. After returning the mixture to room temperature, water was added, liquid separation and extraction were performed with an ethyl acetate-tetrahydrofuran mixed solvent, and the solid obtained by concentration to dryness was washed with ether to obtain 112 mg of the title compound.

Provenance & Evidence