Abstract:Thiosemicarbazone ligands are known for their versatility towards metal coordination, forming very stable compounds with metals such as palladium. In addition, palladium derivatives are used more often than not as catalyst in C-C cross coupling reactions like the Suzuki-Miyaura reaction, however the commercially available catalyst are not of much air or thermal stability. That is the reason why in this communication we present the synthesis, characterisation and catalytic study of a family of palladium -thiosemicarbazone compounds as an improvement to the thermal and air stability of commercial catalyst.

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Herein we report on the synthesis of a molecule that combines thiosemicarbazone and crown ether functions. The main feature is that the study has being performed beginning with the design of the compound using DFT calculations, with the package of programs g09 1 , after which follows the final synthesis and characterization using 1 H NMR, IR and crystallographic analysis.