N2O4 Chemisorbed onto n‐Propylsilica Kryptofix 21 and Kriptofix 22 as Two New Functional Polymers for the Fast Oxidation of Urazoles and 1,4‐Dihydropyridines |
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| Authors: | Gholamabbas Chehardoli Mohammad Ali Zolfigol Ezat Ghaemi Elaheh Madrakian Khodabakhsh Niknam Shadpour Mallakpour |
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| Affiliation: | 1. School of Pharmacy, Hamedan University of Medical Sciences, , 65178 Hamedan, Iran;2. Faculty of Chemistry, Bu‐Ali Sina University, , Hamedan, Iran;3. Department of Chemistry, Faculty of Sciences, Persian Gulf University, , Bushehr, Iran;4. Department of Chemistry, Organic Polymer Chemistry Research Laboratory, Isfahan University of Technology, , Isfahan, 84156‐83111 Iran;5. Nanotechnology and Advanced Materials Institute, Isfahan University of Technology, , Isfahan, 84156‐83111 Iran |
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| Abstract: | 3‐Chloropropylsilica was reacted with Kriptofix 21 or 22 in the presence of triethylamine to form N‐propylsilica Kryptofix 21 and Kriptofix 22. Then N2O4 was added to each of these polymers to chemisorb onto cavity of aza‐crown ethers. These functionalized polymers were applied for the fast and simple oxidation of urazoles and 1,4‐dihydropyridines, respectively. |
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