Dimethylformamide dimethyl acetal → HCID 20040894, compound

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Reaction Steps

7-Chloro-3,5-dimethyl-1H-pyrazolo[4,3-b]pyridine (900 mg) and dimethylformamide dimethyl acetal (1.06 ml) in dry toluene (10 ml) were heated at reflux for 4 hours. The solvent was removed under reduced pressure and the brown oily residue chromatographed on silica gel eluting with 50:50 ether/pentane to give the title compound (150 mg, 15%).

Provenance & Evidence