Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Heterocyclic Chemistry called The synthesis of a series of 7-amino-1-cyclopropyl-8-fluoro-1,4-dihydro-4-oxo-1,6-naphthyridine-3-carboxylic acids as potential antibacterial agents, Author is Sanchez, Joseph P.; Gogliotti, Rocco D., which mentions a compound: 35621-01-3, SMILESS is NC1CCNCC1.[H]Cl.[H]Cl, Molecular C5H14Cl2N2, Synthetic Route of C5H14Cl2N2.
A series of title compounds I [R = 3-aminopyrrolidin-1-yl, 3-(ethylaminomethyl)pyrrolidin-1-yl, 4-aminopiperidin-1-yl, piperazin-1-yl] was prepared and evaluated for antibacterial activity (no data). I were prepared by the displacement of the chloro substituent from I (R = Cl) with the requisite nitrogen nucleophile. The naphthyridine acid was synthesized in ten steps from pyridinecarboxylate II (R1 = OH, R2 = NO2). The key step in the sequence was a Schiemann reaction of II (R1 = Cl, R2 = N2+ PF6-) to give II (R1 = Cl, R2 = F).
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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia