A readily prepared,highly reusable and active polymer-supported molybdenum carbonyl Schiff base complex as epoxidation catalyst |
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| Affiliation: | 1. Chemistry Department, Damghan University of Basic Science, Damghan 36715364, Iran;2. Chemistry Department, Isfahan University, Isfahan 81746-73441, Iran;1. Department of Chemistry, National Institute of Technology, Rourkela 769008, Odisha, India;2. Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India;3. Department of Chemistry, University of Washington, Box 351700, Seattle, WA 98195, USA;4. Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India;1. Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India;2. Departamento de Química Fundamental, Universidade da Coruña, Campus de A Zapateira, 15071 A Coruña, Spain;1. Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India;2. Departamento de Química Fundamental, Universidade da Coruña, Campus de A Zapateira, 15071 A Coruña, Spain;1. Department of Chemistry, National Institute of Technology, Rourkela 769008, Odisha, India;2. Department of Chemistry, Indian Institute of Technology, Kanpur 208016, Uttar Pradesh, India;3. Department of Chemistry, Indian Institute of Technology, Roorkee 247667, India;4. Central Scientific Instruments Organisation (CSIR-CSIO), Sector 30 C, Chandigarh 160030, India;5. Department of Chemistry, East Tennessee State University, TN 37614, USA |
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| Abstract: | Polymer-bound Schiff base ligand 2 was prepared by oxidation of chloromethylated polystyrene to aldehydic polystyrene 1 and then reaction with ethylene diamine. The functionalized polystyrene 2 was used to immobilize Mo(CO)6 and polymer-bound molybdenum carbonyl Schiff base catalyst 3 was produced. This supported catalyst shows high activity in epoxidation of various alkenes in the presence of tert-butylhydroperoxide (TBHP). The supported molybdenum catalyst can be recovered and reused for eight times without loss in its activity. |
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