Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 120, Issue -, Pages 167-175Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2013.10.019
Keywords
Transfer hydrogenation; Sulfonamide; Imine; Reduced imine ligands
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Funding
- Erciyes University (ERUBAP) [FBY-11-3783, 3783]
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Three imine and three reduced imine ligands containing aromatic sulfonamide (2-7) were isolated by a simple method and characterized by FT-IR, NMR, and elemental analysis. Meanwhile, the interaction of 2-7 ligands with [(p-cymene)RuCl2](2) was analyzed in situ by UV-vis spectrophotometer. The in situ generated catalytic system derived from N-(2-(benzylideneamino)phenyl)-2,4,6-trimethyl-benzenesulfonamides and N-(2-(benzylamino)phenyl)-2,4,6-trimethyl-benzenesulfonamides with [(p-cymene)RuCl2](2) was used as a catalyst in the transfer hydrogenation (TH) of p-substituted acetophenone derivatives. The catalytic systems displayed high activities, which increased in the order 7 < 4 < 5 < 6 < 1 <2 <3. The best activity for the TH of 4-chloroacetophenone was provided with the [(p-cymene)RuCl2](2)/ligand (3) catalytic system (turnover frequency values: 720h(-1) for 10 min on S/C: 500/1). (C) 2013 Elsevier B.V. All rights reserved.
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