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Bimetallic complexes of porphyrinphenanthroline: Preparation and catalytic activities by Rong-Shin Lin; Meng-Ru Li; Yi-Hong Liu; Shei-Ming Peng; Shiuh-Tzung Liu is a Chemistry article available to read on EtoBox.
What is Bimetallic complexes of porphyrinphenanthroline: Preparation and catalytic activities about?
Condensation of tetraphenylporphyrin-2,3-dione with 1,10-phenanthroline-5,6-diamine provided porphyrinphenanthroline (2) as the desired ligand. Metallation of the porphyrinic site of 2 with CoCl 2 , NiCl 2 , ZnCl 2 and CuCl 2 afforded the corresponding metal complexes [Co( 2)] (8a), [Ni( 2)] (8b), [Zn( 2)] (8c) and [Cu( 2)] (8d), respectively. Subsequent reactions of these metalloporphyrins with [(COD)PdCl 2 ] yielded the corresponding bimetallic complexes [Co/Pd (9a), Ni/Pd (9b), Zn/Pd (9c) and Cu/Pd (9d)] in high yields. The bimetallic complex 9e (Mg/Pd) was prepared directly by complexation of 2 with MgBr 2 and [(COD)PdCl 2 ]. All complexes were characterized by both spectroscopic and elemental analyses. In addition, crystal structure of 9c was determined to confirm its formulation. The use of these bimetallic complexes as pre-catalysts for Mizoroki-Heck coupling reaction has been examined.
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- Author
- Rong-Shin Lin; Meng-Ru Li; Yi-Hong Liu; Shei-Ming Peng; Shiuh-Tzung Liu
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0020-1693)
- Published
- 2010
- Language
- EN
- Field
- Chemistry (Physical Sciences)