Add time:07/29/2019         Source:sciencedirect.com

The reactions between a tri-cyanoethyl functionalized 17-membered macrocyclic compound (L) with five Ag(I) salts (hexafluoroantimonate, trifluoromethanesulfonate, 4-toluenesulfonate, heptafluorobutyrate and nitrate) led to the formation of [AgL](SbF6) (1), [AgL](SO3CF3) (2), [AgL](O2C4F7) (3), [AgL](SO3PhCH3) (4), and [AgL](NO3) (5), respectively. Complexes 1–5 were characterized by elemental analysis, 1H NMR, TG-DTA, TG-DTG and IR spectroscopies, moreover, by single crystal X-ray diffraction. In 1–5, the structures show three kinds of coordination environments of silver ions: three-coordinated in 1–3, four-coordinated in 4 and five-coordinated in 5. The photoluminescent properties, thermal analysis and biological activity of these silver complexes were also studied.

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