As the various fields of science have been expanding, interest in catalysts have grown. Calixarenes are novel macromolecules that have extensive analytical applications and have been used in material science. However, its catalytic related chemistry has not been well developed yet, seeing that there are presently only a few reports on this topic. Calixarenes are macrocyclic compounds consisting of four through eight para-tert-butyl-phenol rings connected by methylene bridges. The oxygens from the hydroxyl groups form an oxo-surface; this surface can be use as a platform to bind different transition metals to the calixarene. Our research group is interested in the calixarene chemistry due to the easy characterization of calixarenes by <sup>1</sup>H-NMR. Our recent studies have demonstrated that it is possible to selectively add one transition metal to the calixarene, while following it by <sup>1</sup>H-NMR. These methods include transmetallation, metal alkoxides, and metal amides. This presentation will discuss our latest research related to our newly synthesized dioxo-molybdenum species, and the first example containing nickel(II)-calixarene.

Synthesis and characterization of dioxo-molybdenum(VI) heterobimetalic calix[5]arene compounds

254th National Meeting (2017)

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