Homogeneous catalytic hydrogenation of dicarboxylic acid esters |
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| Affiliation: | 1. Institut de Radioprotection et de Sûreté Nucléaire, Laboratoire Expérimentation Environnement et Chimie IRSN/L2EC, CEN Cadarache, 13115 St-Paul-Lez-Durance, France;2. Université Clermont Auvergne, CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, F-63000 Clermont-Ferrand, France;3. CNRS, UMR 6296, ICCF, Equipe Photochimie, BP 80026, F-63171 Aubière, France;4. Nexans Research Center, 29 rue du Pré Gaudry, 69353 Lyon Cedex 07, France;1. Department of Chemistry, Graduate School of Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan;2. Department of Chemistry, School of Education, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan;1. The Ushinsky Yaroslavl State Pedagogical University, 108 Respublikanskaya St., Yaroslavl 150000, Russian Federation;2. Institutes of Chemistry and Translational Biomedicine, St. Petersburg State University, St. Petersburg 199034, Russian Federation;1. Jagiellonian University, Faculty of Chemistry, Ingardena 3, 30-060 Kraków, Poland;2. Jerzy Haber Institute of Catalysis and Surface Chemistry, PAS, Niezapominajek 8, 30-239 Kraków, Poland;1. Faculty of Chemistry, Kharazmi University, Tehran, Iran;2. Department of Chemistry, Central Tehran Branch, Islamic Azad University, Tehran, Iran |
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| Abstract: | Esters of dicarboxylic acids are hydrogenated in the homogeneous phase in the presence of H4Ru4(CO)8(PBu3)4. The corresponding hydroxy esters are the main products from oxalic and malonic esters. Dimethyl succinate gives γ-butyrolactone, while glutaric esters do not react.Only the ortho isomer of the phthalic esters reacts, giving phthalide and methyl benzoate.Both electronic and steric factors affect the course of this reaction. |
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