Gamma and pulse radiolysis of methanolic solutions of triphenylphosphine |
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| Affiliation: | 1. Institute of Catalysis and Inorganic Chemistry ANAS, Baku, Azerbaijan;2. Azerbaijan State Oil and Industry University, Baku, Azerbaijan;3. Institute of Physics ANAS, Baku, Azerbaijan;1. School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China;2. School of The Environment, Jiangsu University, Zhenjiang, 212013 PR China;3. State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, PR China;1. Institute for Science and Technology in Medicine, Keele University, Stoke-on-Trent ST4 7QB, UK;2. Department of Mechanical, Materials and Aerospace Engineering, School of Engineering, University of Liverpool. Liverpool, L69 3GH, UK;3. Maternity Centre, University Hospitals of North Midlands, Stoke on Trent, ST4 6QG, UK;1. Key Laboratory of Ecological Textile Materials & Novel Dying and Finishing Technology, Hunan Provincial Education Department, School of Chemistry & Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, PR China;2. Key Laboratory of Environmentally Friendly Chemistry and Applications, Ministry of Education, School of Chemistry, Xiangtan University, Xiangtan 411105, PR China;3. School of Chemistry & Chemical Engineering, Hunan University, Changsha 410082, PR China;1. Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125, Messina, Italy;2. Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy;3. Department of Biomedical and Dental Sciences and Morphological and Functional Imaging, University of Messina, Messina, Italy;4. Italian Society of General Practice (SIMG), Messina, Italy;5. Department of Economics Section of Statistical and Mathematical Sciences, University of Messina, Via dei Verdi, 98122, Messina, Italy;1. I. Ya. Postovsky Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences, 620108, Ekaterinburg, Russian Federation;2. Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences, 620990, Ekaterinburg, Russian Federation |
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| Abstract: | In irradiated methanolic solutions of triphenylphosphine (Ph3P) deaerated with argon or saturated with N2O a transient spectrum has been detected. This spectrum is attributed to Ph3PCH2OH and a value of k(CH2OH+Ph3P) = 8.8 x 109mol−1dm3S− has been detemined. No evidence has been obtained for a reaction between esol−1 and Ph3P in methanol.The gamma-irradiation of oxygen-saturated methanolic solutions of Ph3P have shown that, under these conditions, Ph3P is oxidized to Ph3PO according to a chain reaction mechanism. The experimental results are in good agreement with the equation for G(-Ph3P) = G(Ph3PO) obtained by steady-state treatment of the proposed mechanism. |
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