High loading polymer reagents based on polycationic Ultraresins. Polymer-supported reductions and oxidations with increased efficiency
M Barth, STA Shah, J Rademann
Index: Barth, Michael; Shah, Syed Tasadaque Ali; Rademann, Joerg Tetrahedron, 2004 , vol. 60, # 39 p. 8703 - 8709
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Citation Number: 26
Abstract
Ultraresin was prepared from highly branched polyethylene imine (Mn= 10,000) via reductive cross-linking with terephthaldialdehyde. Following quaternization with methyl iodide, the polycationic Ultraresin, with iodide as a counterion, was obtained. These novel resins combine low swelling with high mechanical stability. By anion exchange polycationic Ultraresins carrying borohydride () and periodate () were generated and were investigated ...
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