74764-17-3

Light Yellow Oil

N-2-Pyridinyl-1,2-ethanediamine is a reactant used in the synthesis of dual histamine H1 and H2 receptor antagonists based on cyanoguanidine. Also used in the synthesis of 2-thiohydantoins as somatostatin receptor ligands,

The reaction was carried out with 2-bromopyridine and ethylenediamine with reference to the literature method (11a) to obtain the target product N1-(pyridin-2-yl)ethane-1,2-diamine, which was a light yellow liquid in 85.34% yield.

[1] Patent: CN105541777, 2016, A. Location in patent: Paragraph 0016; 0077; 0078; 0079
[2] European Journal of Medicinal Chemistry, 1987, vol. 22, p. 91 - 100
[3] Patent: US2002/86850, 2002, A1
[4] Patent: US6610665, 2003, B1
[5] Patent: EP1051425, 2002, B1