Safety of Dichloro(1,5-cyclooctadiene)platinum(II). The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Dichloro(1,5-cyclooctadiene)platinum(II), is researched, Molecular C8H12Cl2Pt, CAS is 12080-32-9, about Bidentate Disilicate Framework for Bis-Grafted Surface Species. Author is Ishizaka, Yusuke; Arai, Natsumi; Matsumoto, Kazuhiro; Nagashima, Hiroki; Takeuchi, Katsuhiko; Fukaya, Norihisa; Yasuda, Hiroyuki; Sato, Kazuhiko; Choi, Jun-Chul.
Recent advances in surface organometallic chem. have enabled the detailed characterization of the surface species in single-site heterogeneous catalysts. However, the selective formation of bis-grafted surface species remains challenging because of the heterogeneity of the supporting surface. Herein, the authors introduce a metal complex bearing bidentate disilicate ligands, -OSi(OtBu)2OSi(OtBu)2O-, as a mol. precursor, which has a silicate framework adjacent to the metal (Pt) center. The grafting of the precursors on SiO2 supports (MCM-41 and CARiACT Q10) proceeded through a substitution reaction on the Si atoms of the disilicate ligand, which was verified by the detection of isobutene and tBuOH as the elimination products, to selectively yield bis-grafted surface species. The chem. structure of the surface species was characterized by solid-state NMR, and the chem. shift values of the ancillary ligands and 195Pt nuclei suggested that the bidentate coordination sphere was maintained following grafting.
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