Trifluoroacetic acid → 4-Amino-6-methyl-5-{[4-(trifluoromethyl)phenyl]ethynyl}pyrimidine

Participants

Reaction Steps

4-(tert-Butoxycarbonylamino)-5-iodo-6-methylpyrimidine and {4-(trifluoromethyl)phenyl]ethynylzinc bromide were reacted in a solvent mixture of tetrahydrofuran and N,N-dimethylformamide (1:1) in the presence of tetrakis(triphenylphosphine)palladium while stirring under room temperature to heating to obtain a compound. To the compound, trifluoroacetic acid was added to remove a tert-butoxycarbonyl group serving as a protecting group to obtain a target substance. The target substance was subjected to e.g., proton nuclear magnetic resonance spectrometry (1H-NMR) and mass spectrometry (MS) and confirmed as the titled compound. Furthermore, MS measurement result is shown.

Provenance & Evidence