Electric Literature of 1436-59-5, Chemistry can be defined as the study of matter and the changes it undergoes. You’ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.1436-59-5, Name is cis-Cyclohexane-1,2-diamine, molecular formula is C6H14N2. In a patent, introducing its new discovery.
Two cyclohexanediamine-based tetrakisquinoline derivatives, N,N,N?,N?-tetrakis(2-quinolylmethyl)-trans-1,2-cyclohexanediamine (TQDACH) and N,N,N?,N?-tetrakis(1-isoquinolylmethyl)-trans-1,2- cyclohexanediamine (1-isoTQDACH), have been prepared and their zinc-induced fluorescent response was investigated. In DMF-H2O (1:1) solution, TQDACH exhibits increase of fluorescence at 455 nm in the presence of 1 eq. of zinc ion (lambdaex = 317 nm, = 0.010). Similarly, 1-isoTQDACH exhibited fluorescence enhancement upon binding with zinc (lambdaex = 325 nm, lambdaem = 352 and 475 nm, = 0.032). The fluorescence intensity ratio induced by cadmium relative to zinc (ICd/I Zn) for these 1,2-cyclohexanediamine probes is lower than those for the corresponding ethylenediamine derivatives, TQEN and 1-isoTQEN. Crystal structures of the zinc and cadmium complexes of TQDACH and 1-isoTQDACH reveal the superior metal binding ability of the 1,2-cyclohexanediamine and isoquinoline moieties in comparison to ethylenediamine and quinoline. The conformational restriction afforded by the 1,2-cyclohexanediamine skeleton upon zinc binding leads to enhanced fluorescence intensity and strong metal binding affinity. The Royal Society of Chemistry 2013.
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