pH‐Regulated Aqueous Catalytic Hydrogenation of Biomass Carbohydrate Derivatives by Using Semisandwich Iridium Complexes
作者： Wei-Peng Wu , Yong-Jian Xu , Shang-Wei Chang , Jin Deng , Yao Fu
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摘要: Semi-sandwich Ir complexes [Cp*Ir-(di-OMe-bpy)(OH2)][SO4] (di-OMe-bpy = 4,4'-dimethoxyl-2,2'-bipyridine) and [Cp*Ir-(di-OH-bpy)(OH2)][SO4] (di-OH-bpy 4,4'-dihydroxyl-2,2'-bipyridine) are excellent efficient catalysts for the aqueous hydrogenation reactions of biomass carbohydrate derivatives. We show that pH value plays an important role in reaction. By adjusting solvent, we can improve catalytic efficiency control product distribution. The turnover frequencies (TOF) furfural up to 13877 h-1 TOF levulinic acid 12200h-1 at 120 oC. Converting into GVL one step is observed strong acidic system, which makes it easy achieve a distribution-controlled by adjustment.
sci-hub.se 参考文章(68)
Mochamad Chalid, Hero J. Heeres, Antonius A. Broekhuis, Ring-opening of gamma-valerolactone with amino compounds Journal of Applied Polymer Science. ,vol. 123, pp. 3556- 3564 ,(2012) , 10.1002/APP.34842
Yuichiro Himeda, Nobuko Onozawa-Komatsuzaki, Hideki Sugihara, Kazuyuki Kasuga, Recyclable Catalyst for Conversion of Carbon Dioxide into Formate Attributable to an Oxyanion on the Catalyst Ligand Journal of the American Chemical Society. ,vol. 127, pp. 13118- 13119 ,(2005) , 10.1021/JA054236K
István T. Horváth, Hasan Mehdi, Viktória Fábos, László Boda, László T. Mika, γ-Valerolactone—a sustainable liquid for energy and carbon-based chemicals Green Chem.. ,vol. 10, pp. 238- 242 ,(2008) , 10.1039/B712863K
Yuichiro Himeda, Nobuko Onozawa-Komatsuzaki, Hideki Sugihara, Kazuyuki Kasuga, Simultaneous Tuning of Activity and Water Solubility of Complex Catalysts by Acid−Base Equilibrium of Ligands for Conversion of Carbon Dioxide Organometallics. ,vol. 26, pp. 702- 712 ,(2007) , 10.1021/OM060899E
S. Paganelli, O. Piccolo, P. Pontini, R. Tassini, V.D. Rathod, Aqueous-phase hydrogenation and hydroformylation reactions catalyzed by a new water-soluble (rhodium)-thioligand complex Catalysis Today. ,vol. 247, pp. 64- 69 ,(2015) , 10.1016/J.CATTOD.2014.05.038
David Martin Alonso, Stephanie G. Wettstein, James A. Dumesic, Bimetallic catalysts for upgrading of biomass to fuels and chemicals Chemical Society Reviews. ,vol. 41, pp. 8075- 8098 ,(2012) , 10.1039/C2CS35188A
Wei Li, Jian-Hua Xie, Han Lin, Qi-Lin Zhou, Highly efficient hydrogenation of biomass-derived levulinic acid to γ-valerolactone catalyzed by iridium pincer complexes Green Chemistry. ,vol. 14, pp. 2388- 2390 ,(2012) , 10.1039/C2GC35650C
Maria Möller, Peter Nilges, Falk Harnisch, Uwe Schröder, Subcritical Water as Reaction Environment: Fundamentals of Hydrothermal Biomass Transformation Chemsuschem. ,vol. 4, pp. 566- 579 ,(2011) , 10.1002/CSSC.201000341
Abhishek Dutta Chowdhury, Ralf Jackstell, Matthias Beller, Towards the Efficient Development of Homogeneous Catalytic Transformation to γ‐Valerolactone from Biomass‐Derived Platform Chemicals Chemcatchem. ,vol. 6, pp. 3360- 3365 ,(2014) , 10.1002/CCTC.201402548
Yuichiro Himeda, Nobuko Onozawa-Komatsuzaki, Satoru Miyazawa, Hideki Sugihara, Takuji Hirose, Kazuyuki Kasuga, pH‐Dependent Catalytic Activity and Chemoselectivity in Transfer Hydrogenation Catalyzed by Iridium Complex with 4,4′‐Dihydroxy‐2,2′‐bipyridine Chemistry: A European Journal. ,vol. 14, pp. 11076- 11081 ,(2008) , 10.1002/CHEM.200801568