2-Acyl(aroyl)-1,1,3,3-tetracyanopropenides: VI. Reaction with hydrogen halides
作者:Ya. S. Kayukov、S. V. Karpov、O. V. Kayukova、O. V. Ershov、O. E. Nasakin
DOI:10.1134/s1070428014080053
日期:2014.8
Implementation of Zincke reaction in one-pot synthesis of switchable, Ag+ and Hg2+ sensing aza-merocyanines based on α-aminopyridin-3,5-dicarbonitrile moiety
作者:Sergey V. Karpov、Yakov S. Kaukov、Oleg E. Nasakin
DOI:10.1016/j.tetlet.2023.154625
日期:2023.7
We report on the synthesis of new aza-merocyanines, which were synthesized via a modified Zinckereaction under one-pot conditions. These compounds exhibit a reversible color change from yellow to deep blue in solution upon exposure to trace bases. The blue form demonstrates some sensing ability for Ag+ and Hg2+ ions at concentrations above approximately 10−6 M, which is accompanied by a λmaxabs hypsochromic