The novel 2D bismuth-camphorate IEF-1, formulated as [Bi(L)(HL)] (where H 2 L = camphoric acid), has been successfully isolated as large single crystals and easily scaled up by hydrothermal synthesis. The crystalline structure of IEF-1 was unveiled by single-crystal X-ray diffraction, in the monoclinic space group P2 1 , and fully characterized by using several standard solid-state techniques. IEF-1 material is thermally stable up [a] Advanced Porous
4 ]SO 4 that it was hydrothermally synthesized by reaction of 5,5'-dimethyl-2,2'-bipyridne, denoted (dmbpy), metal salt and sulfuric acid. The large crystals are characterized by X-ray single crystal diffraction, infrared, Raman spectroscopy and DFT calculation. The thermogravimetric analysis indicated that the dehydration occurs in two steps, leading to an anhydrous compound. At room temperature, the complex crystallises in the centrosymmetric space group P2 1 /c with the following parameters a = 9.492 (7) Å, b = 9.539 (7) Å, c = 18.411 (1) Å, β =102.616 (1)°, V = 1626.8 (2) Å 3 and Z = 4. The asymmetric unit contains one free SO 4 2counter-ion and [Ni(dmbpy)(H 2 O) 4 ] 2+ complex cation. The crystal structure of the complex is built up from infinite parallel two-dimensional planes, containing all the components of the structure and perpendicular to the axis b. The aqua ligands are connected to the sulfate anion via O-H…O hydrogen bonds that stabilize the three-dimensional network.The catalytic activity of the complex was examined in the coupling reactions of Heck and Sonogashira in the presence of different bases in various organic solvents under ultrasonic irradiation. The obtained results show that this type of complex can be considered as an effective catalyst for these coupling reactions. The ultrasonic activation results the encouraging yields for a short period of time: 30-45 min.
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