Scheme 14.
Synthesis of 2,4-diaminopyridine scaffolds using 2,4-dichloro-5-fluoropyrimidine or 2,4-dichloro-5-nitropyrimidine [56].
Synthesis of 2,4-diaminopyridine scaffolds using 2,4-dichloro-5-fluoropyrimidine or 2,4-dichloro-5-nitropyrimidine [56].