(Phosphinito)aryl benzimidazole PCN pincer palladium(II) complexes: Synthesis, characterization and catalytic activity in C H arylation of azoles with aryl iodides
Polyhedron, ISSN: 0277-5387, Vol: 143, Page: 184-192
2018
- 14Citations
- 13Captures
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Article Description
The PCN pincer Pd(II) complexes 4a – c with (phosphinito)aryl benzimidazole ligands were conveniently synthesized by one-pot phosphorylation/palladation reaction of a (2-benzimidazolyl)-containing m -phenol derivative 3. The three complexes were well characterized by spectroscopic methods, elemental analysis and their molecular structures were further determined by X-ray single-crystal diffraction. The Pd(II) center in each complex adopts a typical distorted-square-planar geometry. With a catalyst loading of 0.25–0.5 mol%, complex 4a could effectively catalyze C H arylation of benzothiazole, benzoxazole and thiazole with various aryl iodides in the presence of CuI as a cocatalyst.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0277538717306460; http://dx.doi.org/10.1016/j.poly.2017.10.005; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85032376356&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0277538717306460; https://dx.doi.org/10.1016/j.poly.2017.10.005
Elsevier BV
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