Dongwon Kim, Jyoti Ramesh Jadhav, Junmyeong Park, Ok-Sang Jung
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C3-symmetric tripalladium(II) complex for catalysis via geometrical coincident interaction with C3-symmetric substrate
Reaction of cis-protected [(Me4en)Pd(SO4)] with the newly designed C3-symmetric Ba3L anionic ligand produces a stable trinuclear [(Me4enPd)3L] in a cis-O,O′ mode. A characteristic structural feature is that [(Me4enPd)3L] consists of a total of 10 rings with one 6-membered central benzene ring, three 5-membered rings (PdN2C2), three 6-membered rings (PdO2C3), and three 7-membered rings. This tripalladium(II) complex shows significant multi-center catalytic efficiency in the Heck reaction with the appropriate C3-symmetric trifunctional substrate via geometrical coincident interaction between the substrate and the catalyst. A theoretical calculation of the geometrical intermolecular interaction-behavior between the catalyst ([(Me4enPd)3L]) and the substrate (1,3,5-tris(4-iodophenyl)benzene) in N,N-dimethylformamide solution was carried out.
期刊介绍：
Transition Metal Chemistry is an international journal designed to deal with all aspects of the subject embodied in the title: the preparation of transition metal-based molecular compounds of all kinds (including complexes of the Group 12 elements), their structural, physical, kinetic, catalytic and biological properties, their use in chemical synthesis as well as their application in the widest context, their role in naturally occurring systems etc.
Manuscripts submitted to the journal should be of broad appeal to the readership and for this reason, papers which are confined to more specialised studies such as the measurement of solution phase equilibria or thermal decomposition studies, or papers which include extensive material on f-block elements, or papers dealing with non-molecular materials, will not normally be considered for publication. Work describing new ligands or coordination geometries must provide sufficient evidence for the confident assignment of structural formulae; this will usually take the form of one or more X-ray crystal structures.
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