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Articles by Kazem Karami
Total Records ( 2 ) for Kazem Karami
  Kazem Karami
  The chloro-bridged dimer [Pd(μ-Cl)(C6H4CH2NH22-C,N)]2 reacts with PPh2Et, P(p-tolyl)3, AsPh3, piper (piper = C5H10N) and Py in dichloromethane at room temperature for 24 h in a one-to-two molar ratio and undergoing bridge-splitting reactions to give [PdCl(C6H4CH2NH22-C,N)L] (L = PPh2Et (1a), P(p-tolyl)3 (1b), AsPh3 (1c), piper (1d), C6H4CH2NH2 (3e) and Py (1f)). Complex 1f in THF at room temperature reacts with a stoichiometric amount of TlTfO (thallium triflate, TfO=CF3SO3) and Py (molar ratio 1 : 1 : 1) to afford [Pd(C6H4CH2NH2)(Py)2]TfO (2). Infrared and NMR spectroscopies allow unambiguous characterization of these products.
  Kazem Karami and Orhan Buyukgungor
  Reactions between AgX (X = OTf, NO3) and ylides of the type Ph3P = CHC(O)C6H4-4-R (R = F, Br, OMe) in molar ratio 1 : 2 lead to complexes [Ag{CH(PPh3)C(O)C6H4-4-R}]X (1-4); X-ray structure determinations have been carried out on 4. The IR and NMR data of the products formed by reaction of Ag(I) with the ylides are consistent with C-bounded ylides. Analytical data indicate 1 : 2 stoichiometry between the ylide and Ag(I) in the products. The molar conductivities of these complexes are within the range for 1 : 1 electrolytes. Crystallographic data for 4 are: crystal system, triclinic; space group, P 1, a = 12.1151(4), b = 13.8989(5), c = 15.4855(5) Å, β = 102.676(3)°, V = 2477.82(15) Å 3,Z=2
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