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      Oxidative Deprotection of Trimethylsilyl Ethers and Coupling of Thiols to Disulfides by Cr (VI) and Fe (III) Heterogeneous Nanocatalysts

      , M.Sc. Thesis Sharif University of Technology Kakeshpour, Tayeb (Author) ; Saeedi, Mohammad Reza (Supervisor) ; Rajabi, Fateme (Supervisor)
      Abstract
      Considering the advantages of heterogeneous catalysts for the easy work up procedure, being eco-friendly, and the reusability, herein, two projects are carried out by metal-supported SBA-15 catalysts. The first one is the oxidative deprotection of trimethylsilyl ethers catalyzed Cr (VI) in the presence of TBHP as oxidant. In this project, trimethylsylil ethers are oxidized in good to high yields. The second project is the oxidative coupling of thiols to disulfides catalyzed by Fe (III) in the presence of hydrogenperoxide. This catalyst/oxidant system convets different aromatic thiols to corresponding disulfides efficiently  
    Total 1 records