It was used in the synthesis of: novel bis(2-(pyrimidin-2-yl)ethoxy)alkanes; 4′-(1,1′-(5-(2-methoxyphenoxy)-[2,2′-bipyrimidine]-4,6-diyl)bis(1H-pyrazol-3,1-diyl)) dianiline fluorescent dye, biosensor for protein assay; cis- and trans-octahydropyrrolo[2,3]pyridine derivatives; 2-amino-4-heteroarylpyrimidines