Siddique, Rashid G.; Arachchige, Kasun S. A.; AL-Fayaad, Hydar A.; Brock, Aidan J.; Micallef, Aaron S.; Luis, Ena T.; Thoburn, John D.; McMurtrie, John C.; Clegg, Jack K. published an article in 2021. The article was titled 《The kinetics and mechanism of interconversion within a system of [Fe2L3]4+ helicates and [Fe4L6]8+ cages》, and you may find the article in Chemical Communications (Cambridge, United Kingdom).Recommanded Product: 624-28-2 The information in the text is summarized as follows:
Nature builds simple mols. into highly complex assemblies, which are involved in all fundamental processes of life. Some of the most intriguing biol. assemblies are those that can be precisely reconfigured to achieve different functions using the same building blocks. Understanding the reconfiguration of synthetic self-assembled systems will allow us to better understand the complexity of proteins and design useful artificial chem. systems. Here the authors prepared a relatively simple system in which two distinct self-assembled structures, a [Fe2L3]4+ helicate and a [Fe4L6]8+ cage that are formed from the same precursors, coexist at equilibrium, L is bisbipyrinyldiethynylbenzene. The authors measured the rates of interconversion of these two species and propose a mechanism for the transformation. The results came from multiple reactions, including the reaction of 2,5-Dibromopyridine(cas: 624-28-2Recommanded Product: 624-28-2)
2,5-Dibromopyridine(cas: 624-28-2) belongs to pyridine. Pyridine is a relatively complex molecule and exhibits a number of different bands in IR spectra. Among others, the bands characterizing the ν8a and ν19b modes have been found to be sensitive to the coordination or protonation of the molecule. Note that the band that is diagnostic for the PyH+ ion at about 1545 cm− 1 (ν19b mode) does not overlap with any of the other bands.Recommanded Product: 624-28-2