Inorganic Chemistry
Inorganic Chemistry
5 years ago

Palladium(II) Chloride Complexes of N,N′-Disubstituted Imidazole-2-thiones: Syntheses, Structures, and Catalytic Performances in Suzuki–Miyaura and Sonogashira Coupling Reactions

Palladium(II) Chloride Complexes of N,N′-Disubstituted Imidazole-2-thiones: Syntheses, Structures, and Catalytic Performances in Suzuki–Miyaura and Sonogashira Coupling Reactions
Li-Ming Zhang, Jian-Ping Lang, Hai-Yan Li, Yong Wang, David James Young, Hong-Xi Li
Reactions of PdCl2 with N,N′-disubstituted-imidazole-2-thiones afforded a set of mono- and binuclear complexes [(R1R2C3N2S)2PdCl2] and [(PdCl2){μ-(R1R2C3N2S)}]2 (R1 = R2 = Me, iPr, Cy, C6Me3H2; R1 = Me, R2 = Ph). The mono- and binuclear complexes can be transformed into each other. One binuclear complex with the largest C6Me3H2 groups has the longest Pd−μ-S bond, largest S−Pd−S angle, and displayed the highest catalytic activity toward Suzuki−Miyaura and Sonogashira coupling reactions, which was confirmed by DFT calculations.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01616

DOI: 10.1021/acs.inorgchem.7b01616

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