Synthesis and catalytic activity of ruthenium(II) complexes containing pyridine-based tridentate triamines (′ NNN ′) and pyridine carboxylate ligands (NO )
Tarih
2012Yazar
Dayan, O. and Özdemir, N. and Şerbetci, Z. and Dinçer, M. and Çetinkaya, B. and Büyükgüngör, O.
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The reaction of [(p-cymene)RuCl2]2 with K[NO a-b] (NO- = 2-picolinate, a or 2-quinaldinate, b) gave neutral [(p-cymene)RuCl(NOa-b)] (1a-b), complexes which were treated with pyridine-based meridional triamine ligands (′NNN ′) to create complexes of the type [RuCl(NOa-b) (′NNN′)] (2a: ′N = Nd, NOa- = 2-picolinato; 2b: ′N = Nd, NOb- = 2-quinaldinato; 3a: ′N = Nb, NOa- = 2-picolinato; 3b: ′N = Nb, NOb- = 2-quinaldinato; 4a: ′N = Np, NOa- = 2-picolinato; 4b: ′N = Np, NOb- = 2-quinaldinato). The new compounds were characterized by elemental analysis, IR and NMR spectroscopy and, 1b was studied by single crystal X-ray diffraction. The complexes 1-4 have been employed as catalysts for the transfer hydrogenation (TH) of acetophenone derivatives to secondary alcohols in the presence of KOH using 2-propanol as a hydrogen source at 82 °C. The highest catalytic activity was obtained with 3a. © 2012 Elsevier B.V. All rights reserved.
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-84865718149&doi=10.1016%2fj.ica.2012.02.034&partnerID=40&md5=b92bff3d4b44e0c4db15647a9a280649http://acikerisim.bingol.edu.tr/handle/20.500.12898/4944
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